Home / 10,251.86-15,377.66-2,856.36

Finding the Fourth Proportional to 10,251.86, 15,377.66 and 2,856.36

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Solution

The fourth proportional to 10,251.86, 15,377.66 and 2,856.36 is: 4,284.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.86 : 15,377.66 = 2,856.36 : x
  2. Step 2: Convert to fraction form
    10,251.86/15,377.66 = 2,856.36/x
  3. Step 3: Cross multiply
    10,251.86x = 15,377.66 × 2,856.36
  4. Step 4: Simplify right side
    10,251.86x = 43,924,118.64
  5. Step 5: Solve for x
    x = 43,924,118.64/10,251.86
  6. Step 6: Final answer
    x = 4,284.50

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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.