Home / 15,494.40-23,241.20-6,139.28

Finding the Fourth Proportional to 15,494.40, 23,241.20 and 6,139.28

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Solution

The fourth proportional to 15,494.40, 23,241.20 and 6,139.28 is: 9,208.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,494.40 : 23,241.20 = 6,139.28 : x
  2. Step 2: Convert to fraction form
    15,494.40/23,241.20 = 6,139.28/x
  3. Step 3: Cross multiply
    15,494.40x = 23,241.20 × 6,139.28
  4. Step 4: Simplify right side
    15,494.40x = 142,684,234.34
  5. Step 5: Solve for x
    x = 142,684,234.34/15,494.40
  6. Step 6: Final answer
    x = 9,208.76

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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.