Home / 10,148.49-15,215.85-3,573.81

Finding the Fourth Proportional to 10,148.49, 15,215.85 and 3,573.81

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Solution

The fourth proportional to 10,148.49, 15,215.85 and 3,573.81 is: 5,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.49 : 15,215.85 = 3,573.81 : x
  2. Step 2: Convert to fraction form
    10,148.49/15,215.85 = 3,573.81/x
  3. Step 3: Cross multiply
    10,148.49x = 15,215.85 × 3,573.81
  4. Step 4: Simplify right side
    10,148.49x = 54,378,556.89
  5. Step 5: Solve for x
    x = 54,378,556.89/10,148.49
  6. Step 6: Final answer
    x = 5,358.29

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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.