Home / 10,144.71-15,217.02-3,570.12

Finding the Fourth Proportional to 10,144.71, 15,217.02 and 3,570.12

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Solution

The fourth proportional to 10,144.71, 15,217.02 and 3,570.12 is: 5,355.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.71 : 15,217.02 = 3,570.12 : x
  2. Step 2: Convert to fraction form
    10,144.71/15,217.02 = 3,570.12/x
  3. Step 3: Cross multiply
    10,144.71x = 15,217.02 × 3,570.12
  4. Step 4: Simplify right side
    10,144.71x = 54,326,587.44
  5. Step 5: Solve for x
    x = 54,326,587.44/10,144.71
  6. Step 6: Final answer
    x = 5,355.16

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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.