Home / 16,688.39-23,025.57-10,728.20

Finding the Fourth Proportional to 16,688.39, 23,025.57 and 10,728.20

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Solution

The fourth proportional to 16,688.39, 23,025.57 and 10,728.20 is: 14,802.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,688.39 : 23,025.57 = 10,728.20 : x
  2. Step 2: Convert to fraction form
    16,688.39/23,025.57 = 10,728.20/x
  3. Step 3: Cross multiply
    16,688.39x = 23,025.57 × 10,728.20
  4. Step 4: Simplify right side
    16,688.39x = 247,022,804.95
  5. Step 5: Solve for x
    x = 247,022,804.95/16,688.39
  6. Step 6: Final answer
    x = 14,802.08

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.