Home / 10,448.77-15,663.07-3,519.49

Finding the Fourth Proportional to 10,448.77, 15,663.07 and 3,519.49

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Solution

The fourth proportional to 10,448.77, 15,663.07 and 3,519.49 is: 5,275.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448.77 : 15,663.07 = 3,519.49 : x
  2. Step 2: Convert to fraction form
    10,448.77/15,663.07 = 3,519.49/x
  3. Step 3: Cross multiply
    10,448.77x = 15,663.07 × 3,519.49
  4. Step 4: Simplify right side
    10,448.77x = 55,125,931.12
  5. Step 5: Solve for x
    x = 55,125,931.12/10,448.77
  6. Step 6: Final answer
    x = 5,275.83

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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.