Home / 23,015.10-31,757.55-12,943.16

Finding the Fourth Proportional to 23,015.10, 31,757.55 and 12,943.16

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Solution

The fourth proportional to 23,015.10, 31,757.55 and 12,943.16 is: 17,859.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,015.10 : 31,757.55 = 12,943.16 : x
  2. Step 2: Convert to fraction form
    23,015.10/31,757.55 = 12,943.16/x
  3. Step 3: Cross multiply
    23,015.10x = 31,757.55 × 12,943.16
  4. Step 4: Simplify right side
    23,015.10x = 411,042,892.07
  5. Step 5: Solve for x
    x = 411,042,892.07/23,015.10
  6. Step 6: Final answer
    x = 17,859.70

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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.