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Finding the Fourth Proportional to 15,959.98, 23,881.65 and 9,389.26

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Solution

The fourth proportional to 15,959.98, 23,881.65 and 9,389.26 is: 14,049.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.98 : 23,881.65 = 9,389.26 : x
  2. Step 2: Convert to fraction form
    15,959.98/23,881.65 = 9,389.26/x
  3. Step 3: Cross multiply
    15,959.98x = 23,881.65 × 9,389.26
  4. Step 4: Simplify right side
    15,959.98x = 224,231,021.08
  5. Step 5: Solve for x
    x = 224,231,021.08/15,959.98
  6. Step 6: Final answer
    x = 14,049.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.