Home / 15,148.76-22,728.60-7,756.70

Finding the Fourth Proportional to 15,148.76, 22,728.60 and 7,756.70

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Solution

The fourth proportional to 15,148.76, 22,728.60 and 7,756.70 is: 11,637.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,148.76 : 22,728.60 = 7,756.70 : x
  2. Step 2: Convert to fraction form
    15,148.76/22,728.60 = 7,756.70/x
  3. Step 3: Cross multiply
    15,148.76x = 22,728.60 × 7,756.70
  4. Step 4: Simplify right side
    15,148.76x = 176,298,817.98
  5. Step 5: Solve for x
    x = 176,298,817.98/15,148.76
  6. Step 6: Final answer
    x = 11,637.84

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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.