Home / 15,239.76-22,841.37-7,847.70

Finding the Fourth Proportional to 15,239.76, 22,841.37 and 7,847.70

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Solution

The fourth proportional to 15,239.76, 22,841.37 and 7,847.70 is: 11,762.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,239.76 : 22,841.37 = 7,847.70 : x
  2. Step 2: Convert to fraction form
    15,239.76/22,841.37 = 7,847.70/x
  3. Step 3: Cross multiply
    15,239.76x = 22,841.37 × 7,847.70
  4. Step 4: Simplify right side
    15,239.76x = 179,252,219.35
  5. Step 5: Solve for x
    x = 179,252,219.35/15,239.76
  6. Step 6: Final answer
    x = 11,762.14

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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.