Home / 8,836.32-12,184.59-6,317.47

Finding the Fourth Proportional to 8,836.32, 12,184.59 and 6,317.47

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Solution

The fourth proportional to 8,836.32, 12,184.59 and 6,317.47 is: 8,711.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.32 : 12,184.59 = 6,317.47 : x
  2. Step 2: Convert to fraction form
    8,836.32/12,184.59 = 6,317.47/x
  3. Step 3: Cross multiply
    8,836.32x = 12,184.59 × 6,317.47
  4. Step 4: Simplify right side
    8,836.32x = 76,975,781.79
  5. Step 5: Solve for x
    x = 76,975,781.79/8,836.32
  6. Step 6: Final answer
    x = 8,711.29

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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.