Home / 15,137.92-22,681.64-5,271.76

Finding the Fourth Proportional to 15,137.92, 22,681.64 and 5,271.76

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Solution

The fourth proportional to 15,137.92, 22,681.64 and 5,271.76 is: 7,898.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,137.92 : 22,681.64 = 5,271.76 : x
  2. Step 2: Convert to fraction form
    15,137.92/22,681.64 = 5,271.76/x
  3. Step 3: Cross multiply
    15,137.92x = 22,681.64 × 5,271.76
  4. Step 4: Simplify right side
    15,137.92x = 119,572,162.49
  5. Step 5: Solve for x
    x = 119,572,162.49/15,137.92
  6. Step 6: Final answer
    x = 7,898.85

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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.