Home / 16,419.12-22,656.60-9,344.88

Finding the Fourth Proportional to 16,419.12, 22,656.60 and 9,344.88

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Solution

The fourth proportional to 16,419.12, 22,656.60 and 9,344.88 is: 12,894.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,419.12 : 22,656.60 = 9,344.88 : x
  2. Step 2: Convert to fraction form
    16,419.12/22,656.60 = 9,344.88/x
  3. Step 3: Cross multiply
    16,419.12x = 22,656.60 × 9,344.88
  4. Step 4: Simplify right side
    16,419.12x = 211,723,208.21
  5. Step 5: Solve for x
    x = 211,723,208.21/16,419.12
  6. Step 6: Final answer
    x = 12,894.92

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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.