Home / 20,744.61-31,116.92-5,162.23

Finding the Fourth Proportional to 20,744.61, 31,116.92 and 5,162.23

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Solution

The fourth proportional to 20,744.61, 31,116.92 and 5,162.23 is: 7,743.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,744.61 : 31,116.92 = 5,162.23 : x
  2. Step 2: Convert to fraction form
    20,744.61/31,116.92 = 5,162.23/x
  3. Step 3: Cross multiply
    20,744.61x = 31,116.92 × 5,162.23
  4. Step 4: Simplify right side
    20,744.61x = 160,632,762.82
  5. Step 5: Solve for x
    x = 160,632,762.82/20,744.61
  6. Step 6: Final answer
    x = 7,743.35

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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.