Home / 15,419.60-23,129.37-3,732.81

Finding the Fourth Proportional to 15,419.60, 23,129.37 and 3,732.81

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Solution

The fourth proportional to 15,419.60, 23,129.37 and 3,732.81 is: 5,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419.60 : 23,129.37 = 3,732.81 : x
  2. Step 2: Convert to fraction form
    15,419.60/23,129.37 = 3,732.81/x
  3. Step 3: Cross multiply
    15,419.60x = 23,129.37 × 3,732.81
  4. Step 4: Simplify right side
    15,419.60x = 86,337,543.63
  5. Step 5: Solve for x
    x = 86,337,543.63/15,419.60
  6. Step 6: Final answer
    x = 5,599.21

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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.