Home / 10,280.22-15,415.54-5,348.53

Finding the Fourth Proportional to 10,280.22, 15,415.54 and 5,348.53

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Solution

The fourth proportional to 10,280.22, 15,415.54 and 5,348.53 is: 8,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.22 : 15,415.54 = 5,348.53 : x
  2. Step 2: Convert to fraction form
    10,280.22/15,415.54 = 5,348.53/x
  3. Step 3: Cross multiply
    10,280.22x = 15,415.54 × 5,348.53
  4. Step 4: Simplify right side
    10,280.22x = 82,450,478.16
  5. Step 5: Solve for x
    x = 82,450,478.16/10,280.22
  6. Step 6: Final answer
    x = 8,020.30

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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.