Home / 11,505.02-15,876.02-6,468.29

Finding the Fourth Proportional to 11,505.02, 15,876.02 and 6,468.29

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Solution

The fourth proportional to 11,505.02, 15,876.02 and 6,468.29 is: 8,925.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,505.02 : 15,876.02 = 6,468.29 : x
  2. Step 2: Convert to fraction form
    11,505.02/15,876.02 = 6,468.29/x
  3. Step 3: Cross multiply
    11,505.02x = 15,876.02 × 6,468.29
  4. Step 4: Simplify right side
    11,505.02x = 102,690,638.20
  5. Step 5: Solve for x
    x = 102,690,638.20/11,505.02
  6. Step 6: Final answer
    x = 8,925.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.