Home / 8,364.60-11,565.45-7,314.17

Finding the Fourth Proportional to 8,364.60, 11,565.45 and 7,314.17

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Solution

The fourth proportional to 8,364.60, 11,565.45 and 7,314.17 is: 10,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.60 : 11,565.45 = 7,314.17 : x
  2. Step 2: Convert to fraction form
    8,364.60/11,565.45 = 7,314.17/x
  3. Step 3: Cross multiply
    8,364.60x = 11,565.45 × 7,314.17
  4. Step 4: Simplify right side
    8,364.60x = 84,591,609.60
  5. Step 5: Solve for x
    x = 84,591,609.60/8,364.60
  6. Step 6: Final answer
    x = 10,113.05

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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.