Home / 17,539.60-26,309.76-10,138.72

Finding the Fourth Proportional to 17,539.60, 26,309.76 and 10,138.72

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Solution

The fourth proportional to 17,539.60, 26,309.76 and 10,138.72 is: 15,208.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,539.60 : 26,309.76 = 10,138.72 : x
  2. Step 2: Convert to fraction form
    17,539.60/26,309.76 = 10,138.72/x
  3. Step 3: Cross multiply
    17,539.60x = 26,309.76 × 10,138.72
  4. Step 4: Simplify right side
    17,539.60x = 266,747,289.91
  5. Step 5: Solve for x
    x = 266,747,289.91/17,539.60
  6. Step 6: Final answer
    x = 15,208.29

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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.