Home / 10,352.40-15,524.55-3,775.20

Finding the Fourth Proportional to 10,352.40, 15,524.55 and 3,775.20

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Solution

The fourth proportional to 10,352.40, 15,524.55 and 3,775.20 is: 5,661.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352.40 : 15,524.55 = 3,775.20 : x
  2. Step 2: Convert to fraction form
    10,352.40/15,524.55 = 3,775.20/x
  3. Step 3: Cross multiply
    10,352.40x = 15,524.55 × 3,775.20
  4. Step 4: Simplify right side
    10,352.40x = 58,608,281.16
  5. Step 5: Solve for x
    x = 58,608,281.16/10,352.40
  6. Step 6: Final answer
    x = 5,661.32

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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.