Home / 21,059.67-29,062.11-11,499.53

Finding the Fourth Proportional to 21,059.67, 29,062.11 and 11,499.53

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Solution

The fourth proportional to 21,059.67, 29,062.11 and 11,499.53 is: 15,869.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,059.67 : 29,062.11 = 11,499.53 : x
  2. Step 2: Convert to fraction form
    21,059.67/29,062.11 = 11,499.53/x
  3. Step 3: Cross multiply
    21,059.67x = 29,062.11 × 11,499.53
  4. Step 4: Simplify right side
    21,059.67x = 334,200,460.50
  5. Step 5: Solve for x
    x = 334,200,460.50/21,059.67
  6. Step 6: Final answer
    x = 15,869.22

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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.