Home / 13,265.15-18,306.05-7,296.86

Finding the Fourth Proportional to 13,265.15, 18,306.05 and 7,296.86

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Solution

The fourth proportional to 13,265.15, 18,306.05 and 7,296.86 is: 10,069.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.15 : 18,306.05 = 7,296.86 : x
  2. Step 2: Convert to fraction form
    13,265.15/18,306.05 = 7,296.86/x
  3. Step 3: Cross multiply
    13,265.15x = 18,306.05 × 7,296.86
  4. Step 4: Simplify right side
    13,265.15x = 133,576,693.28
  5. Step 5: Solve for x
    x = 133,576,693.28/13,265.15
  6. Step 6: Final answer
    x = 10,069.75

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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.