Home / 16,910.11-23,341.71-9,842.47

Finding the Fourth Proportional to 16,910.11, 23,341.71 and 9,842.47

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Solution

The fourth proportional to 16,910.11, 23,341.71 and 9,842.47 is: 13,585.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,910.11 : 23,341.71 = 9,842.47 : x
  2. Step 2: Convert to fraction form
    16,910.11/23,341.71 = 9,842.47/x
  3. Step 3: Cross multiply
    16,910.11x = 23,341.71 × 9,842.47
  4. Step 4: Simplify right side
    16,910.11x = 229,740,080.42
  5. Step 5: Solve for x
    x = 229,740,080.42/16,910.11
  6. Step 6: Final answer
    x = 13,585.96

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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.