Home / 15,954.64-22,016.55-9,239.74

Finding the Fourth Proportional to 15,954.64, 22,016.55 and 9,239.74

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Solution

The fourth proportional to 15,954.64, 22,016.55 and 9,239.74 is: 12,750.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,954.64 : 22,016.55 = 9,239.74 : x
  2. Step 2: Convert to fraction form
    15,954.64/22,016.55 = 9,239.74/x
  3. Step 3: Cross multiply
    15,954.64x = 22,016.55 × 9,239.74
  4. Step 4: Simplify right side
    15,954.64x = 203,427,197.70
  5. Step 5: Solve for x
    x = 203,427,197.70/15,954.64
  6. Step 6: Final answer
    x = 12,750.35

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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.