Home / 10,391.60-15,587.39-2,600.41

Finding the Fourth Proportional to 10,391.60, 15,587.39 and 2,600.41

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Solution

The fourth proportional to 10,391.60, 15,587.39 and 2,600.41 is: 3,900.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391.60 : 15,587.39 = 2,600.41 : x
  2. Step 2: Convert to fraction form
    10,391.60/15,587.39 = 2,600.41/x
  3. Step 3: Cross multiply
    10,391.60x = 15,587.39 × 2,600.41
  4. Step 4: Simplify right side
    10,391.60x = 40,533,572.36
  5. Step 5: Solve for x
    x = 40,533,572.36/10,391.60
  6. Step 6: Final answer
    x = 3,900.61

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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.