Home / 10,371.48-15,562.22-5,103.63

Finding the Fourth Proportional to 10,371.48, 15,562.22 and 5,103.63

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Solution

The fourth proportional to 10,371.48, 15,562.22 and 5,103.63 is: 7,657.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.48 : 15,562.22 = 5,103.63 : x
  2. Step 2: Convert to fraction form
    10,371.48/15,562.22 = 5,103.63/x
  3. Step 3: Cross multiply
    10,371.48x = 15,562.22 × 5,103.63
  4. Step 4: Simplify right side
    10,371.48x = 79,423,812.86
  5. Step 5: Solve for x
    x = 79,423,812.86/10,371.48
  6. Step 6: Final answer
    x = 7,657.91

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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.