Home / 15,265.68-21,055.71-14,010.78

Finding the Fourth Proportional to 15,265.68, 21,055.71 and 14,010.78

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Solution

The fourth proportional to 15,265.68, 21,055.71 and 14,010.78 is: 19,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,265.68 : 21,055.71 = 14,010.78 : x
  2. Step 2: Convert to fraction form
    15,265.68/21,055.71 = 14,010.78/x
  3. Step 3: Cross multiply
    15,265.68x = 21,055.71 × 14,010.78
  4. Step 4: Simplify right side
    15,265.68x = 295,006,920.55
  5. Step 5: Solve for x
    x = 295,006,920.55/15,265.68
  6. Step 6: Final answer
    x = 19,324.85

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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.