Home / 10,552.12-15,830.45-3,157.18

Finding the Fourth Proportional to 10,552.12, 15,830.45 and 3,157.18

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Solution

The fourth proportional to 10,552.12, 15,830.45 and 3,157.18 is: 4,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,552.12 : 15,830.45 = 3,157.18 : x
  2. Step 2: Convert to fraction form
    10,552.12/15,830.45 = 3,157.18/x
  3. Step 3: Cross multiply
    10,552.12x = 15,830.45 × 3,157.18
  4. Step 4: Simplify right side
    10,552.12x = 49,979,580.13
  5. Step 5: Solve for x
    x = 49,979,580.13/10,552.12
  6. Step 6: Final answer
    x = 4,736.45

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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.