Home / 12,330.66-18,513.18-6,330.94

Finding the Fourth Proportional to 12,330.66, 18,513.18 and 6,330.94

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Solution

The fourth proportional to 12,330.66, 18,513.18 and 6,330.94 is: 9,505.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.66 : 18,513.18 = 6,330.94 : x
  2. Step 2: Convert to fraction form
    12,330.66/18,513.18 = 6,330.94/x
  3. Step 3: Cross multiply
    12,330.66x = 18,513.18 × 6,330.94
  4. Step 4: Simplify right side
    12,330.66x = 117,205,831.79
  5. Step 5: Solve for x
    x = 117,205,831.79/12,330.66
  6. Step 6: Final answer
    x = 9,505.24

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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.