Home / 15,693.40-23,625.60-13,550.68

Finding the Fourth Proportional to 15,693.40, 23,625.60 and 13,550.68

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Solution

The fourth proportional to 15,693.40, 23,625.60 and 13,550.68 is: 20,399.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,693.40 : 23,625.60 = 13,550.68 : x
  2. Step 2: Convert to fraction form
    15,693.40/23,625.60 = 13,550.68/x
  3. Step 3: Cross multiply
    15,693.40x = 23,625.60 × 13,550.68
  4. Step 4: Simplify right side
    15,693.40x = 320,142,945.41
  5. Step 5: Solve for x
    x = 320,142,945.41/15,693.40
  6. Step 6: Final answer
    x = 20,399.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.