Home / 10,229.21-15,358.18-5,235.15

Finding the Fourth Proportional to 10,229.21, 15,358.18 and 5,235.15

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Solution

The fourth proportional to 10,229.21, 15,358.18 and 5,235.15 is: 7,860.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,229.21 : 15,358.18 = 5,235.15 : x
  2. Step 2: Convert to fraction form
    10,229.21/15,358.18 = 5,235.15/x
  3. Step 3: Cross multiply
    10,229.21x = 15,358.18 × 5,235.15
  4. Step 4: Simplify right side
    10,229.21x = 80,402,376.03
  5. Step 5: Solve for x
    x = 80,402,376.03/10,229.21
  6. Step 6: Final answer
    x = 7,860.08

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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.