Home / 15,115.11-22,657.47-5,752.72

Finding the Fourth Proportional to 15,115.11, 22,657.47 and 5,752.72

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Solution

The fourth proportional to 15,115.11, 22,657.47 and 5,752.72 is: 8,623.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,115.11 : 22,657.47 = 5,752.72 : x
  2. Step 2: Convert to fraction form
    15,115.11/22,657.47 = 5,752.72/x
  3. Step 3: Cross multiply
    15,115.11x = 22,657.47 × 5,752.72
  4. Step 4: Simplify right side
    15,115.11x = 130,342,080.82
  5. Step 5: Solve for x
    x = 130,342,080.82/15,115.11
  6. Step 6: Final answer
    x = 8,623.30

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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.