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Finding the Fourth Proportional to 8,925, 12,316.50 and 6,132.12

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Solution

The fourth proportional to 8,925, 12,316.50 and 6,132.12 is: 8,462.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,925 : 12,316.50 = 6,132.12 : x
  2. Step 2: Convert to fraction form
    8,925/12,316.50 = 6,132.12/x
  3. Step 3: Cross multiply
    8,925x = 12,316.50 × 6,132.12
  4. Step 4: Simplify right side
    8,925x = 75,526,255.98
  5. Step 5: Solve for x
    x = 75,526,255.98/8,925
  6. Step 6: Final answer
    x = 8,462.33

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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.