Home / 13,177.14-18,184.24-7,208.70

Finding the Fourth Proportional to 13,177.14, 18,184.24 and 7,208.70

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Solution

The fourth proportional to 13,177.14, 18,184.24 and 7,208.70 is: 9,947.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.14 : 18,184.24 = 7,208.70 : x
  2. Step 2: Convert to fraction form
    13,177.14/18,184.24 = 7,208.70/x
  3. Step 3: Cross multiply
    13,177.14x = 18,184.24 × 7,208.70
  4. Step 4: Simplify right side
    13,177.14x = 131,084,730.89
  5. Step 5: Solve for x
    x = 131,084,730.89/13,177.14
  6. Step 6: Final answer
    x = 9,947.89

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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.