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Finding the Fourth Proportional to 8,045.13, 12,070.13 and 5,423.16

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Solution

The fourth proportional to 8,045.13, 12,070.13 and 5,423.16 is: 8,136.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.13 : 12,070.13 = 5,423.16 : x
  2. Step 2: Convert to fraction form
    8,045.13/12,070.13 = 5,423.16/x
  3. Step 3: Cross multiply
    8,045.13x = 12,070.13 × 5,423.16
  4. Step 4: Simplify right side
    8,045.13x = 65,458,246.21
  5. Step 5: Solve for x
    x = 65,458,246.21/8,045.13
  6. Step 6: Final answer
    x = 8,136.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.