Home / 10,001.97-15,005.01-3,428.67

Finding the Fourth Proportional to 10,001.97, 15,005.01 and 3,428.67

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Solution

The fourth proportional to 10,001.97, 15,005.01 and 3,428.67 is: 5,143.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.97 : 15,005.01 = 3,428.67 : x
  2. Step 2: Convert to fraction form
    10,001.97/15,005.01 = 3,428.67/x
  3. Step 3: Cross multiply
    10,001.97x = 15,005.01 × 3,428.67
  4. Step 4: Simplify right side
    10,001.97x = 51,447,227.64
  5. Step 5: Solve for x
    x = 51,447,227.64/10,001.97
  6. Step 6: Final answer
    x = 5,143.71

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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.