Home / 16,688.66-23,036.10-9,617.90

Finding the Fourth Proportional to 16,688.66, 23,036.10 and 9,617.90

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Solution

The fourth proportional to 16,688.66, 23,036.10 and 9,617.90 is: 13,276.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,688.66 : 23,036.10 = 9,617.90 : x
  2. Step 2: Convert to fraction form
    16,688.66/23,036.10 = 9,617.90/x
  3. Step 3: Cross multiply
    16,688.66x = 23,036.10 × 9,617.90
  4. Step 4: Simplify right side
    16,688.66x = 221,558,906.19
  5. Step 5: Solve for x
    x = 221,558,906.19/16,688.66
  6. Step 6: Final answer
    x = 13,276.02

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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.