Home / 10,229.80-15,344.70-2,835.40

Finding the Fourth Proportional to 10,229.80, 15,344.70 and 2,835.40

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Solution

The fourth proportional to 10,229.80, 15,344.70 and 2,835.40 is: 4,253.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,229.80 : 15,344.70 = 2,835.40 : x
  2. Step 2: Convert to fraction form
    10,229.80/15,344.70 = 2,835.40/x
  3. Step 3: Cross multiply
    10,229.80x = 15,344.70 × 2,835.40
  4. Step 4: Simplify right side
    10,229.80x = 43,508,362.38
  5. Step 5: Solve for x
    x = 43,508,362.38/10,229.80
  6. Step 6: Final answer
    x = 4,253.10

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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.