Home / 10,552.40-15,829.12-3,156.92

Finding the Fourth Proportional to 10,552.40, 15,829.12 and 3,156.92

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Solution

The fourth proportional to 10,552.40, 15,829.12 and 3,156.92 is: 4,735.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,552.40 : 15,829.12 = 3,156.92 : x
  2. Step 2: Convert to fraction form
    10,552.40/15,829.12 = 3,156.92/x
  3. Step 3: Cross multiply
    10,552.40x = 15,829.12 × 3,156.92
  4. Step 4: Simplify right side
    10,552.40x = 49,971,186.36
  5. Step 5: Solve for x
    x = 49,971,186.36/10,552.40
  6. Step 6: Final answer
    x = 4,735.53

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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.