Home / 15,618.78-23,411.65-10,687.06

Finding the Fourth Proportional to 15,618.78, 23,411.65 and 10,687.06

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Solution

The fourth proportional to 15,618.78, 23,411.65 and 10,687.06 is: 16,019.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618.78 : 23,411.65 = 10,687.06 : x
  2. Step 2: Convert to fraction form
    15,618.78/23,411.65 = 10,687.06/x
  3. Step 3: Cross multiply
    15,618.78x = 23,411.65 × 10,687.06
  4. Step 4: Simplify right side
    15,618.78x = 250,201,708.25
  5. Step 5: Solve for x
    x = 250,201,708.25/15,618.78
  6. Step 6: Final answer
    x = 16,019.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.