Home / 10,868.02-16,294.20-8,753.92

Finding the Fourth Proportional to 10,868.02, 16,294.20 and 8,753.92

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Solution

The fourth proportional to 10,868.02, 16,294.20 and 8,753.92 is: 13,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.02 : 16,294.20 = 8,753.92 : x
  2. Step 2: Convert to fraction form
    10,868.02/16,294.20 = 8,753.92/x
  3. Step 3: Cross multiply
    10,868.02x = 16,294.20 × 8,753.92
  4. Step 4: Simplify right side
    10,868.02x = 142,638,123.26
  5. Step 5: Solve for x
    x = 142,638,123.26/10,868.02
  6. Step 6: Final answer
    x = 13,124.57

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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.