Home / 15,009.28-22,508.52-5,145.91

Finding the Fourth Proportional to 15,009.28, 22,508.52 and 5,145.91

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Solution

The fourth proportional to 15,009.28, 22,508.52 and 5,145.91 is: 7,717.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009.28 : 22,508.52 = 5,145.91 : x
  2. Step 2: Convert to fraction form
    15,009.28/22,508.52 = 5,145.91/x
  3. Step 3: Cross multiply
    15,009.28x = 22,508.52 × 5,145.91
  4. Step 4: Simplify right side
    15,009.28x = 115,826,818.15
  5. Step 5: Solve for x
    x = 115,826,818.15/15,009.28
  6. Step 6: Final answer
    x = 7,717.01

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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.