Home / 10,152.32-15,207.92-7,950.56

Finding the Fourth Proportional to 10,152.32, 15,207.92 and 7,950.56

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Solution

The fourth proportional to 10,152.32, 15,207.92 and 7,950.56 is: 11,909.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152.32 : 15,207.92 = 7,950.56 : x
  2. Step 2: Convert to fraction form
    10,152.32/15,207.92 = 7,950.56/x
  3. Step 3: Cross multiply
    10,152.32x = 15,207.92 × 7,950.56
  4. Step 4: Simplify right side
    10,152.32x = 120,911,480.44
  5. Step 5: Solve for x
    x = 120,911,480.44/10,152.32
  6. Step 6: Final answer
    x = 11,909.74

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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.