Home / 16,899.60-23,319.42-9,344.90

Finding the Fourth Proportional to 16,899.60, 23,319.42 and 9,344.90

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Solution

The fourth proportional to 16,899.60, 23,319.42 and 9,344.90 is: 12,894.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899.60 : 23,319.42 = 9,344.90 : x
  2. Step 2: Convert to fraction form
    16,899.60/23,319.42 = 9,344.90/x
  3. Step 3: Cross multiply
    16,899.60x = 23,319.42 × 9,344.90
  4. Step 4: Simplify right side
    16,899.60x = 217,917,647.96
  5. Step 5: Solve for x
    x = 217,917,647.96/16,899.60
  6. Step 6: Final answer
    x = 12,894.84

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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.