Home / 10,350.42-15,450.56-9,579.48

Finding the Fourth Proportional to 10,350.42, 15,450.56 and 9,579.48

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Solution

The fourth proportional to 10,350.42, 15,450.56 and 9,579.48 is: 14,299.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,350.42 : 15,450.56 = 9,579.48 : x
  2. Step 2: Convert to fraction form
    10,350.42/15,450.56 = 9,579.48/x
  3. Step 3: Cross multiply
    10,350.42x = 15,450.56 × 9,579.48
  4. Step 4: Simplify right side
    10,350.42x = 148,008,282.61
  5. Step 5: Solve for x
    x = 148,008,282.61/10,350.42
  6. Step 6: Final answer
    x = 14,299.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.