Home / 13,177.22-18,184.14-7,208.87

Finding the Fourth Proportional to 13,177.22, 18,184.14 and 7,208.87

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Solution

The fourth proportional to 13,177.22, 18,184.14 and 7,208.87 is: 9,948.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.22 : 18,184.14 = 7,208.87 : x
  2. Step 2: Convert to fraction form
    13,177.22/18,184.14 = 7,208.87/x
  3. Step 3: Cross multiply
    13,177.22x = 18,184.14 × 7,208.87
  4. Step 4: Simplify right side
    13,177.22x = 131,087,010.40
  5. Step 5: Solve for x
    x = 131,087,010.40/13,177.22
  6. Step 6: Final answer
    x = 9,948.01

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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.