Home / 21,060.48-31,568.52-7,016.76

Finding the Fourth Proportional to 21,060.48, 31,568.52 and 7,016.76

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Solution

The fourth proportional to 21,060.48, 31,568.52 and 7,016.76 is: 10,517.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060.48 : 31,568.52 = 7,016.76 : x
  2. Step 2: Convert to fraction form
    21,060.48/31,568.52 = 7,016.76/x
  3. Step 3: Cross multiply
    21,060.48x = 31,568.52 × 7,016.76
  4. Step 4: Simplify right side
    21,060.48x = 221,508,728.40
  5. Step 5: Solve for x
    x = 221,508,728.40/21,060.48
  6. Step 6: Final answer
    x = 10,517.74

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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.