Home / 18,839.56-25,999.02-10,456.60

Finding the Fourth Proportional to 18,839.56, 25,999.02 and 10,456.60

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Solution

The fourth proportional to 18,839.56, 25,999.02 and 10,456.60 is: 14,430.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.56 : 25,999.02 = 10,456.60 : x
  2. Step 2: Convert to fraction form
    18,839.56/25,999.02 = 10,456.60/x
  3. Step 3: Cross multiply
    18,839.56x = 25,999.02 × 10,456.60
  4. Step 4: Simplify right side
    18,839.56x = 271,861,352.53
  5. Step 5: Solve for x
    x = 271,861,352.53/18,839.56
  6. Step 6: Final answer
    x = 14,430.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.