Home / 16,065.18-22,170.06-9,354.72

Finding the Fourth Proportional to 16,065.18, 22,170.06 and 9,354.72

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Solution

The fourth proportional to 16,065.18, 22,170.06 and 9,354.72 is: 12,909.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,065.18 : 22,170.06 = 9,354.72 : x
  2. Step 2: Convert to fraction form
    16,065.18/22,170.06 = 9,354.72/x
  3. Step 3: Cross multiply
    16,065.18x = 22,170.06 × 9,354.72
  4. Step 4: Simplify right side
    16,065.18x = 207,394,703.68
  5. Step 5: Solve for x
    x = 207,394,703.68/16,065.18
  6. Step 6: Final answer
    x = 12,909.58

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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.