Home / 15,345.20-23,001.26-7,430.96

Finding the Fourth Proportional to 15,345.20, 23,001.26 and 7,430.96

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Solution

The fourth proportional to 15,345.20, 23,001.26 and 7,430.96 is: 11,138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,345.20 : 23,001.26 = 7,430.96 : x
  2. Step 2: Convert to fraction form
    15,345.20/23,001.26 = 7,430.96/x
  3. Step 3: Cross multiply
    15,345.20x = 23,001.26 × 7,430.96
  4. Step 4: Simplify right side
    15,345.20x = 170,921,290.85
  5. Step 5: Solve for x
    x = 170,921,290.85/15,345.20
  6. Step 6: Final answer
    x = 11,138.42

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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.