Home / 10,549.02-15,822.96-5,354.76

Finding the Fourth Proportional to 10,549.02, 15,822.96 and 5,354.76

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Solution

The fourth proportional to 10,549.02, 15,822.96 and 5,354.76 is: 8,031.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,549.02 : 15,822.96 = 5,354.76 : x
  2. Step 2: Convert to fraction form
    10,549.02/15,822.96 = 5,354.76/x
  3. Step 3: Cross multiply
    10,549.02x = 15,822.96 × 5,354.76
  4. Step 4: Simplify right side
    10,549.02x = 84,728,153.29
  5. Step 5: Solve for x
    x = 84,728,153.29/10,549.02
  6. Step 6: Final answer
    x = 8,031.85

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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.