Home / 21,521.13-32,283.56-5,938.76

Finding the Fourth Proportional to 21,521.13, 32,283.56 and 5,938.76

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Solution

The fourth proportional to 21,521.13, 32,283.56 and 5,938.76 is: 8,908.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,521.13 : 32,283.56 = 5,938.76 : x
  2. Step 2: Convert to fraction form
    21,521.13/32,283.56 = 5,938.76/x
  3. Step 3: Cross multiply
    21,521.13x = 32,283.56 × 5,938.76
  4. Step 4: Simplify right side
    21,521.13x = 191,724,123.67
  5. Step 5: Solve for x
    x = 191,724,123.67/21,521.13
  6. Step 6: Final answer
    x = 8,908.65

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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.