Home / 15,495.28-21,390.04-10,466.32

Finding the Fourth Proportional to 15,495.28, 21,390.04 and 10,466.32

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Solution

The fourth proportional to 15,495.28, 21,390.04 and 10,466.32 is: 14,447.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,495.28 : 21,390.04 = 10,466.32 : x
  2. Step 2: Convert to fraction form
    15,495.28/21,390.04 = 10,466.32/x
  3. Step 3: Cross multiply
    15,495.28x = 21,390.04 × 10,466.32
  4. Step 4: Simplify right side
    15,495.28x = 223,875,003.45
  5. Step 5: Solve for x
    x = 223,875,003.45/15,495.28
  6. Step 6: Final answer
    x = 14,447.95

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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.