Home / 8,423.04-12,645.51-6,476.61

Finding the Fourth Proportional to 8,423.04, 12,645.51 and 6,476.61

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Solution

The fourth proportional to 8,423.04, 12,645.51 and 6,476.61 is: 9,723.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.04 : 12,645.51 = 6,476.61 : x
  2. Step 2: Convert to fraction form
    8,423.04/12,645.51 = 6,476.61/x
  3. Step 3: Cross multiply
    8,423.04x = 12,645.51 × 6,476.61
  4. Step 4: Simplify right side
    8,423.04x = 81,900,036.52
  5. Step 5: Solve for x
    x = 81,900,036.52/8,423.04
  6. Step 6: Final answer
    x = 9,723.33

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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.