Home / 8,376.48-12,575.68-7,086.16

Finding the Fourth Proportional to 8,376.48, 12,575.68 and 7,086.16

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Solution

The fourth proportional to 8,376.48, 12,575.68 and 7,086.16 is: 10,638.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.48 : 12,575.68 = 7,086.16 : x
  2. Step 2: Convert to fraction form
    8,376.48/12,575.68 = 7,086.16/x
  3. Step 3: Cross multiply
    8,376.48x = 12,575.68 × 7,086.16
  4. Step 4: Simplify right side
    8,376.48x = 89,113,280.59
  5. Step 5: Solve for x
    x = 89,113,280.59/8,376.48
  6. Step 6: Final answer
    x = 10,638.51

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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.