Home / 15,335.85-22,891.86-13,158.57

Finding the Fourth Proportional to 15,335.85, 22,891.86 and 13,158.57

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Solution

The fourth proportional to 15,335.85, 22,891.86 and 13,158.57 is: 19,641.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,335.85 : 22,891.86 = 13,158.57 : x
  2. Step 2: Convert to fraction form
    15,335.85/22,891.86 = 13,158.57/x
  3. Step 3: Cross multiply
    15,335.85x = 22,891.86 × 13,158.57
  4. Step 4: Simplify right side
    15,335.85x = 301,224,142.24
  5. Step 5: Solve for x
    x = 301,224,142.24/15,335.85
  6. Step 6: Final answer
    x = 19,641.83

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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.