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Finding the Fourth Proportional to 8,124.15, 12,191.08 and 7,463.19

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Solution

The fourth proportional to 8,124.15, 12,191.08 and 7,463.19 is: 11,199.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.15 : 12,191.08 = 7,463.19 : x
  2. Step 2: Convert to fraction form
    8,124.15/12,191.08 = 7,463.19/x
  3. Step 3: Cross multiply
    8,124.15x = 12,191.08 × 7,463.19
  4. Step 4: Simplify right side
    8,124.15x = 90,984,346.35
  5. Step 5: Solve for x
    x = 90,984,346.35/8,124.15
  6. Step 6: Final answer
    x = 11,199.25

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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.