Home / 16,941.40-23,379.16-9,387.66

Finding the Fourth Proportional to 16,941.40, 23,379.16 and 9,387.66

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Solution

The fourth proportional to 16,941.40, 23,379.16 and 9,387.66 is: 12,954.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,941.40 : 23,379.16 = 9,387.66 : x
  2. Step 2: Convert to fraction form
    16,941.40/23,379.16 = 9,387.66/x
  3. Step 3: Cross multiply
    16,941.40x = 23,379.16 × 9,387.66
  4. Step 4: Simplify right side
    16,941.40x = 219,475,605.17
  5. Step 5: Solve for x
    x = 219,475,605.17/16,941.40
  6. Step 6: Final answer
    x = 12,954.99

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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.