Home / 10,272.96-15,417.36-4,431.60

Finding the Fourth Proportional to 10,272.96, 15,417.36 and 4,431.60

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Solution

The fourth proportional to 10,272.96, 15,417.36 and 4,431.60 is: 6,650.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.96 : 15,417.36 = 4,431.60 : x
  2. Step 2: Convert to fraction form
    10,272.96/15,417.36 = 4,431.60/x
  3. Step 3: Cross multiply
    10,272.96x = 15,417.36 × 4,431.60
  4. Step 4: Simplify right side
    10,272.96x = 68,323,572.58
  5. Step 5: Solve for x
    x = 68,323,572.58/10,272.96
  6. Step 6: Final answer
    x = 6,650.82

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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.