Home / 10,252.04-15,378.07-2,856.69

Finding the Fourth Proportional to 10,252.04, 15,378.07 and 2,856.69

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Solution

The fourth proportional to 10,252.04, 15,378.07 and 2,856.69 is: 4,285.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.04 : 15,378.07 = 2,856.69 : x
  2. Step 2: Convert to fraction form
    10,252.04/15,378.07 = 2,856.69/x
  3. Step 3: Cross multiply
    10,252.04x = 15,378.07 × 2,856.69
  4. Step 4: Simplify right side
    10,252.04x = 43,930,408.20
  5. Step 5: Solve for x
    x = 43,930,408.20/10,252.04
  6. Step 6: Final answer
    x = 4,285.04

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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.