Home / 15,331.35-22,885.12-13,154.07

Finding the Fourth Proportional to 15,331.35, 22,885.12 and 13,154.07

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Solution

The fourth proportional to 15,331.35, 22,885.12 and 13,154.07 is: 19,635.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,331.35 : 22,885.12 = 13,154.07 : x
  2. Step 2: Convert to fraction form
    15,331.35/22,885.12 = 13,154.07/x
  3. Step 3: Cross multiply
    15,331.35x = 22,885.12 × 13,154.07
  4. Step 4: Simplify right side
    15,331.35x = 301,032,470.44
  5. Step 5: Solve for x
    x = 301,032,470.44/15,331.35
  6. Step 6: Final answer
    x = 19,635.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.