Home / 10,380.32-15,570.31-4,830.56

Finding the Fourth Proportional to 10,380.32, 15,570.31 and 4,830.56

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Solution

The fourth proportional to 10,380.32, 15,570.31 and 4,830.56 is: 7,245.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.32 : 15,570.31 = 4,830.56 : x
  2. Step 2: Convert to fraction form
    10,380.32/15,570.31 = 4,830.56/x
  3. Step 3: Cross multiply
    10,380.32x = 15,570.31 × 4,830.56
  4. Step 4: Simplify right side
    10,380.32x = 75,213,316.67
  5. Step 5: Solve for x
    x = 75,213,316.67/10,380.32
  6. Step 6: Final answer
    x = 7,245.76

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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.