Home / 16,419.11-22,656.08-9,344.75

Finding the Fourth Proportional to 16,419.11, 22,656.08 and 9,344.75

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Solution

The fourth proportional to 16,419.11, 22,656.08 and 9,344.75 is: 12,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,419.11 : 22,656.08 = 9,344.75 : x
  2. Step 2: Convert to fraction form
    16,419.11/22,656.08 = 9,344.75/x
  3. Step 3: Cross multiply
    16,419.11x = 22,656.08 × 9,344.75
  4. Step 4: Simplify right side
    16,419.11x = 211,715,313.66
  5. Step 5: Solve for x
    x = 211,715,313.66/16,419.11
  6. Step 6: Final answer
    x = 12,894.45

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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.