Home / 10,217.78-15,327.55-2,822.24

Finding the Fourth Proportional to 10,217.78, 15,327.55 and 2,822.24

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Solution

The fourth proportional to 10,217.78, 15,327.55 and 2,822.24 is: 4,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.78 : 15,327.55 = 2,822.24 : x
  2. Step 2: Convert to fraction form
    10,217.78/15,327.55 = 2,822.24/x
  3. Step 3: Cross multiply
    10,217.78x = 15,327.55 × 2,822.24
  4. Step 4: Simplify right side
    10,217.78x = 43,258,024.71
  5. Step 5: Solve for x
    x = 43,258,024.71/10,217.78
  6. Step 6: Final answer
    x = 4,233.60

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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.