Home / 13,249.98-18,301.01-9,659.25

Finding the Fourth Proportional to 13,249.98, 18,301.01 and 9,659.25

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Solution

The fourth proportional to 13,249.98, 18,301.01 and 9,659.25 is: 13,341.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.98 : 18,301.01 = 9,659.25 : x
  2. Step 2: Convert to fraction form
    13,249.98/18,301.01 = 9,659.25/x
  3. Step 3: Cross multiply
    13,249.98x = 18,301.01 × 9,659.25
  4. Step 4: Simplify right side
    13,249.98x = 176,773,982.55
  5. Step 5: Solve for x
    x = 176,773,982.55/13,249.98
  6. Step 6: Final answer
    x = 13,341.45

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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.