Home / 18,261.50-25,199.03-10,603.60

Finding the Fourth Proportional to 18,261.50, 25,199.03 and 10,603.60

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Solution

The fourth proportional to 18,261.50, 25,199.03 and 10,603.60 is: 14,631.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.50 : 25,199.03 = 10,603.60 : x
  2. Step 2: Convert to fraction form
    18,261.50/25,199.03 = 10,603.60/x
  3. Step 3: Cross multiply
    18,261.50x = 25,199.03 × 10,603.60
  4. Step 4: Simplify right side
    18,261.50x = 267,200,398.02
  5. Step 5: Solve for x
    x = 267,200,398.02/18,261.50
  6. Step 6: Final answer
    x = 14,631.90

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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.