Home / 15,155.82-22,738.28-9,158.58

Finding the Fourth Proportional to 15,155.82, 22,738.28 and 9,158.58

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Solution

The fourth proportional to 15,155.82, 22,738.28 and 9,158.58 is: 13,740.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,155.82 : 22,738.28 = 9,158.58 : x
  2. Step 2: Convert to fraction form
    15,155.82/22,738.28 = 9,158.58/x
  3. Step 3: Cross multiply
    15,155.82x = 22,738.28 × 9,158.58
  4. Step 4: Simplify right side
    15,155.82x = 208,250,356.44
  5. Step 5: Solve for x
    x = 208,250,356.44/15,155.82
  6. Step 6: Final answer
    x = 13,740.62

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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.