Home / 21,472.81-32,219.52-11,084.56

Finding the Fourth Proportional to 21,472.81, 32,219.52 and 11,084.56

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Solution

The fourth proportional to 21,472.81, 32,219.52 and 11,084.56 is: 16,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,472.81 : 32,219.52 = 11,084.56 : x
  2. Step 2: Convert to fraction form
    21,472.81/32,219.52 = 11,084.56/x
  3. Step 3: Cross multiply
    21,472.81x = 32,219.52 × 11,084.56
  4. Step 4: Simplify right side
    21,472.81x = 357,139,202.61
  5. Step 5: Solve for x
    x = 357,139,202.61/21,472.81
  6. Step 6: Final answer
    x = 16,632.16

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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.