Home / 15,404.90-23,118.29-13,917.74

Finding the Fourth Proportional to 15,404.90, 23,118.29 and 13,917.74

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Solution

The fourth proportional to 15,404.90, 23,118.29 and 13,917.74 is: 20,886.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404.90 : 23,118.29 = 13,917.74 : x
  2. Step 2: Convert to fraction form
    15,404.90/23,118.29 = 13,917.74/x
  3. Step 3: Cross multiply
    15,404.90x = 23,118.29 × 13,917.74
  4. Step 4: Simplify right side
    15,404.90x = 321,754,164.28
  5. Step 5: Solve for x
    x = 321,754,164.28/15,404.90
  6. Step 6: Final answer
    x = 20,886.49

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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.