Home / 16,635.34-22,954.60-9,921.76

Finding the Fourth Proportional to 16,635.34, 22,954.60 and 9,921.76

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Solution

The fourth proportional to 16,635.34, 22,954.60 and 9,921.76 is: 13,690.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,635.34 : 22,954.60 = 9,921.76 : x
  2. Step 2: Convert to fraction form
    16,635.34/22,954.60 = 9,921.76/x
  3. Step 3: Cross multiply
    16,635.34x = 22,954.60 × 9,921.76
  4. Step 4: Simplify right side
    16,635.34x = 227,750,032.10
  5. Step 5: Solve for x
    x = 227,750,032.10/16,635.34
  6. Step 6: Final answer
    x = 13,690.74

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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.