Home / 22,862.35-31,552.94-13,909.32

Finding the Fourth Proportional to 22,862.35, 31,552.94 and 13,909.32

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Solution

The fourth proportional to 22,862.35, 31,552.94 and 13,909.32 is: 19,196.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,862.35 : 31,552.94 = 13,909.32 : x
  2. Step 2: Convert to fraction form
    22,862.35/31,552.94 = 13,909.32/x
  3. Step 3: Cross multiply
    22,862.35x = 31,552.94 × 13,909.32
  4. Step 4: Simplify right side
    22,862.35x = 438,879,974.17
  5. Step 5: Solve for x
    x = 438,879,974.17/22,862.35
  6. Step 6: Final answer
    x = 19,196.62

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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.