Home / 10,071.29-15,101.74-4,519.87

Finding the Fourth Proportional to 10,071.29, 15,101.74 and 4,519.87

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Solution

The fourth proportional to 10,071.29, 15,101.74 and 4,519.87 is: 6,777.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.29 : 15,101.74 = 4,519.87 : x
  2. Step 2: Convert to fraction form
    10,071.29/15,101.74 = 4,519.87/x
  3. Step 3: Cross multiply
    10,071.29x = 15,101.74 × 4,519.87
  4. Step 4: Simplify right side
    10,071.29x = 68,257,901.57
  5. Step 5: Solve for x
    x = 68,257,901.57/10,071.29
  6. Step 6: Final answer
    x = 6,777.48

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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.