Home / 16,921.11-23,353.56-9,849.81

Finding the Fourth Proportional to 16,921.11, 23,353.56 and 9,849.81

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Solution

The fourth proportional to 16,921.11, 23,353.56 and 9,849.81 is: 13,594.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921.11 : 23,353.56 = 9,849.81 : x
  2. Step 2: Convert to fraction form
    16,921.11/23,353.56 = 9,849.81/x
  3. Step 3: Cross multiply
    16,921.11x = 23,353.56 × 9,849.81
  4. Step 4: Simplify right side
    16,921.11x = 230,028,128.82
  5. Step 5: Solve for x
    x = 230,028,128.82/16,921.11
  6. Step 6: Final answer
    x = 13,594.15

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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.