Home / 8,725.04-13,087.70-8,281.97

Finding the Fourth Proportional to 8,725.04, 13,087.70 and 8,281.97

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Solution

The fourth proportional to 8,725.04, 13,087.70 and 8,281.97 is: 12,423.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.04 : 13,087.70 = 8,281.97 : x
  2. Step 2: Convert to fraction form
    8,725.04/13,087.70 = 8,281.97/x
  3. Step 3: Cross multiply
    8,725.04x = 13,087.70 × 8,281.97
  4. Step 4: Simplify right side
    8,725.04x = 108,391,831.92
  5. Step 5: Solve for x
    x = 108,391,831.92/8,725.04
  6. Step 6: Final answer
    x = 12,423.08

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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.