Home / 21,060.18-29,064.76-12,110.58

Finding the Fourth Proportional to 21,060.18, 29,064.76 and 12,110.58

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Solution

The fourth proportional to 21,060.18, 29,064.76 and 12,110.58 is: 16,713.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060.18 : 29,064.76 = 12,110.58 : x
  2. Step 2: Convert to fraction form
    21,060.18/29,064.76 = 12,110.58/x
  3. Step 3: Cross multiply
    21,060.18x = 29,064.76 × 12,110.58
  4. Step 4: Simplify right side
    21,060.18x = 351,991,101.16
  5. Step 5: Solve for x
    x = 351,991,101.16/21,060.18
  6. Step 6: Final answer
    x = 16,713.58

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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.