Home / 14,432.04-19,921.48-8,468.69

Finding the Fourth Proportional to 14,432.04, 19,921.48 and 8,468.69

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Solution

The fourth proportional to 14,432.04, 19,921.48 and 8,468.69 is: 11,689.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,432.04 : 19,921.48 = 8,468.69 : x
  2. Step 2: Convert to fraction form
    14,432.04/19,921.48 = 8,468.69/x
  3. Step 3: Cross multiply
    14,432.04x = 19,921.48 × 8,468.69
  4. Step 4: Simplify right side
    14,432.04x = 168,708,717.68
  5. Step 5: Solve for x
    x = 168,708,717.68/14,432.04
  6. Step 6: Final answer
    x = 11,689.87

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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.