Home / 10,240.02-15,372.99-8,710.74

Finding the Fourth Proportional to 10,240.02, 15,372.99 and 8,710.74

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Solution

The fourth proportional to 10,240.02, 15,372.99 and 8,710.74 is: 13,077.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.02 : 15,372.99 = 8,710.74 : x
  2. Step 2: Convert to fraction form
    10,240.02/15,372.99 = 8,710.74/x
  3. Step 3: Cross multiply
    10,240.02x = 15,372.99 × 8,710.74
  4. Step 4: Simplify right side
    10,240.02x = 133,910,118.91
  5. Step 5: Solve for x
    x = 133,910,118.91/10,240.02
  6. Step 6: Final answer
    x = 13,077.13

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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.