Home / 12,332.67-18,479.62-8,385.81

Finding the Fourth Proportional to 12,332.67, 18,479.62 and 8,385.81

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Solution

The fourth proportional to 12,332.67, 18,479.62 and 8,385.81 is: 12,565.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332.67 : 18,479.62 = 8,385.81 : x
  2. Step 2: Convert to fraction form
    12,332.67/18,479.62 = 8,385.81/x
  3. Step 3: Cross multiply
    12,332.67x = 18,479.62 × 8,385.81
  4. Step 4: Simplify right side
    12,332.67x = 154,966,582.19
  5. Step 5: Solve for x
    x = 154,966,582.19/12,332.67
  6. Step 6: Final answer
    x = 12,565.53

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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.