Home / 13,165.36-18,167.52-7,195.92

Finding the Fourth Proportional to 13,165.36, 18,167.52 and 7,195.92

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Solution

The fourth proportional to 13,165.36, 18,167.52 and 7,195.92 is: 9,930.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165.36 : 18,167.52 = 7,195.92 : x
  2. Step 2: Convert to fraction form
    13,165.36/18,167.52 = 7,195.92/x
  3. Step 3: Cross multiply
    13,165.36x = 18,167.52 × 7,195.92
  4. Step 4: Simplify right side
    13,165.36x = 130,732,020.52
  5. Step 5: Solve for x
    x = 130,732,020.52/13,165.36
  6. Step 6: Final answer
    x = 9,930.00

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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.