Home / 21,060.18-29,063.15-11,500.27

Finding the Fourth Proportional to 21,060.18, 29,063.15 and 11,500.27

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Solution

The fourth proportional to 21,060.18, 29,063.15 and 11,500.27 is: 15,870.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060.18 : 29,063.15 = 11,500.27 : x
  2. Step 2: Convert to fraction form
    21,060.18/29,063.15 = 11,500.27/x
  3. Step 3: Cross multiply
    21,060.18x = 29,063.15 × 11,500.27
  4. Step 4: Simplify right side
    21,060.18x = 334,233,985.02
  5. Step 5: Solve for x
    x = 334,233,985.02/21,060.18
  6. Step 6: Final answer
    x = 15,870.42

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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.