Home / 10,681.92-16,024.74-5,145.24

Finding the Fourth Proportional to 10,681.92, 16,024.74 and 5,145.24

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Solution

The fourth proportional to 10,681.92, 16,024.74 and 5,145.24 is: 7,718.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681.92 : 16,024.74 = 5,145.24 : x
  2. Step 2: Convert to fraction form
    10,681.92/16,024.74 = 5,145.24/x
  3. Step 3: Cross multiply
    10,681.92x = 16,024.74 × 5,145.24
  4. Step 4: Simplify right side
    10,681.92x = 82,451,133.24
  5. Step 5: Solve for x
    x = 82,451,133.24/10,681.92
  6. Step 6: Final answer
    x = 7,718.76

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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.