Home / 22,920.06-34,419.74-13,618.53

Finding the Fourth Proportional to 22,920.06, 34,419.74 and 13,618.53

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Solution

The fourth proportional to 22,920.06, 34,419.74 and 13,618.53 is: 20,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,920.06 : 34,419.74 = 13,618.53 : x
  2. Step 2: Convert to fraction form
    22,920.06/34,419.74 = 13,618.53/x
  3. Step 3: Cross multiply
    22,920.06x = 34,419.74 × 13,618.53
  4. Step 4: Simplify right side
    22,920.06x = 468,746,193.69
  5. Step 5: Solve for x
    x = 468,746,193.69/22,920.06
  6. Step 6: Final answer
    x = 20,451.35

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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.