Home / 15,586.31-23,379.52-3,899.53

Finding the Fourth Proportional to 15,586.31, 23,379.52 and 3,899.53

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Solution

The fourth proportional to 15,586.31, 23,379.52 and 3,899.53 is: 5,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,586.31 : 23,379.52 = 3,899.53 : x
  2. Step 2: Convert to fraction form
    15,586.31/23,379.52 = 3,899.53/x
  3. Step 3: Cross multiply
    15,586.31x = 23,379.52 × 3,899.53
  4. Step 4: Simplify right side
    15,586.31x = 91,169,139.63
  5. Step 5: Solve for x
    x = 91,169,139.63/15,586.31
  6. Step 6: Final answer
    x = 5,849.31

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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.