Home / 15,663.20-23,487.12-7,756.56

Finding the Fourth Proportional to 15,663.20, 23,487.12 and 7,756.56

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Solution

The fourth proportional to 15,663.20, 23,487.12 and 7,756.56 is: 11,631.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,663.20 : 23,487.12 = 7,756.56 : x
  2. Step 2: Convert to fraction form
    15,663.20/23,487.12 = 7,756.56/x
  3. Step 3: Cross multiply
    15,663.20x = 23,487.12 × 7,756.56
  4. Step 4: Simplify right side
    15,663.20x = 182,179,255.51
  5. Step 5: Solve for x
    x = 182,179,255.51/15,663.20
  6. Step 6: Final answer
    x = 11,631.04

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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.