Home / 10,035.70-15,062.81-5,108.89

Finding the Fourth Proportional to 10,035.70, 15,062.81 and 5,108.89

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Solution

The fourth proportional to 10,035.70, 15,062.81 and 5,108.89 is: 7,668.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,035.70 : 15,062.81 = 5,108.89 : x
  2. Step 2: Convert to fraction form
    10,035.70/15,062.81 = 5,108.89/x
  3. Step 3: Cross multiply
    10,035.70x = 15,062.81 × 5,108.89
  4. Step 4: Simplify right side
    10,035.70x = 76,954,239.38
  5. Step 5: Solve for x
    x = 76,954,239.38/10,035.70
  6. Step 6: Final answer
    x = 7,668.05

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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.