Home / 10,297.60-15,424.80-5,675.20

Finding the Fourth Proportional to 10,297.60, 15,424.80 and 5,675.20

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Solution

The fourth proportional to 10,297.60, 15,424.80 and 5,675.20 is: 8,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,297.60 : 15,424.80 = 5,675.20 : x
  2. Step 2: Convert to fraction form
    10,297.60/15,424.80 = 5,675.20/x
  3. Step 3: Cross multiply
    10,297.60x = 15,424.80 × 5,675.20
  4. Step 4: Simplify right side
    10,297.60x = 87,538,824.96
  5. Step 5: Solve for x
    x = 87,538,824.96/10,297.60
  6. Step 6: Final answer
    x = 8,500.90

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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.