Home / 15,319.37-22,981.38-7,818.83

Finding the Fourth Proportional to 15,319.37, 22,981.38 and 7,818.83

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Solution

The fourth proportional to 15,319.37, 22,981.38 and 7,818.83 is: 11,729.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,319.37 : 22,981.38 = 7,818.83 : x
  2. Step 2: Convert to fraction form
    15,319.37/22,981.38 = 7,818.83/x
  3. Step 3: Cross multiply
    15,319.37x = 22,981.38 × 7,818.83
  4. Step 4: Simplify right side
    15,319.37x = 179,687,503.39
  5. Step 5: Solve for x
    x = 179,687,503.39/15,319.37
  6. Step 6: Final answer
    x = 11,729.43

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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.