Home / 10,327.60-15,466.76-5,640.58

Finding the Fourth Proportional to 10,327.60, 15,466.76 and 5,640.58

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Solution

The fourth proportional to 10,327.60, 15,466.76 and 5,640.58 is: 8,447.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,327.60 : 15,466.76 = 5,640.58 : x
  2. Step 2: Convert to fraction form
    10,327.60/15,466.76 = 5,640.58/x
  3. Step 3: Cross multiply
    10,327.60x = 15,466.76 × 5,640.58
  4. Step 4: Simplify right side
    10,327.60x = 87,241,391.58
  5. Step 5: Solve for x
    x = 87,241,391.58/10,327.60
  6. Step 6: Final answer
    x = 8,447.41

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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.