Home / 10,147.69-15,222.29-3,484.68

Finding the Fourth Proportional to 10,147.69, 15,222.29 and 3,484.68

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Solution

The fourth proportional to 10,147.69, 15,222.29 and 3,484.68 is: 5,227.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.69 : 15,222.29 = 3,484.68 : x
  2. Step 2: Convert to fraction form
    10,147.69/15,222.29 = 3,484.68/x
  3. Step 3: Cross multiply
    10,147.69x = 15,222.29 × 3,484.68
  4. Step 4: Simplify right side
    10,147.69x = 53,044,735.01
  5. Step 5: Solve for x
    x = 53,044,735.01/10,147.69
  6. Step 6: Final answer
    x = 5,227.27

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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.