Home / 10,121.14-15,164.70-7,184.89

Finding the Fourth Proportional to 10,121.14, 15,164.70 and 7,184.89

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Solution

The fourth proportional to 10,121.14, 15,164.70 and 7,184.89 is: 10,765.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121.14 : 15,164.70 = 7,184.89 : x
  2. Step 2: Convert to fraction form
    10,121.14/15,164.70 = 7,184.89/x
  3. Step 3: Cross multiply
    10,121.14x = 15,164.70 × 7,184.89
  4. Step 4: Simplify right side
    10,121.14x = 108,956,701.38
  5. Step 5: Solve for x
    x = 108,956,701.38/10,121.14
  6. Step 6: Final answer
    x = 10,765.26

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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.