Home / 12,250.11-18,365.45-5,319.75

Finding the Fourth Proportional to 12,250.11, 18,365.45 and 5,319.75

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Solution

The fourth proportional to 12,250.11, 18,365.45 and 5,319.75 is: 7,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250.11 : 18,365.45 = 5,319.75 : x
  2. Step 2: Convert to fraction form
    12,250.11/18,365.45 = 5,319.75/x
  3. Step 3: Cross multiply
    12,250.11x = 18,365.45 × 5,319.75
  4. Step 4: Simplify right side
    12,250.11x = 97,699,576.04
  5. Step 5: Solve for x
    x = 97,699,576.04/12,250.11
  6. Step 6: Final answer
    x = 7,975.40

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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.