Home / 11,318.02-15,618.96-6,281.92

Finding the Fourth Proportional to 11,318.02, 15,618.96 and 6,281.92

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Solution

The fourth proportional to 11,318.02, 15,618.96 and 6,281.92 is: 8,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.02 : 15,618.96 = 6,281.92 : x
  2. Step 2: Convert to fraction form
    11,318.02/15,618.96 = 6,281.92/x
  3. Step 3: Cross multiply
    11,318.02x = 15,618.96 × 6,281.92
  4. Step 4: Simplify right side
    11,318.02x = 98,117,057.20
  5. Step 5: Solve for x
    x = 98,117,057.20/11,318.02
  6. Step 6: Final answer
    x = 8,669.10

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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.