Home / 10,560.48-15,844.32-3,988.56

Finding the Fourth Proportional to 10,560.48, 15,844.32 and 3,988.56

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Solution

The fourth proportional to 10,560.48, 15,844.32 and 3,988.56 is: 5,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,560.48 : 15,844.32 = 3,988.56 : x
  2. Step 2: Convert to fraction form
    10,560.48/15,844.32 = 3,988.56/x
  3. Step 3: Cross multiply
    10,560.48x = 15,844.32 × 3,988.56
  4. Step 4: Simplify right side
    10,560.48x = 63,196,020.98
  5. Step 5: Solve for x
    x = 63,196,020.98/10,560.48
  6. Step 6: Final answer
    x = 5,984.20

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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.