Home / 10,125.29-15,187.39-3,199.25

Finding the Fourth Proportional to 10,125.29, 15,187.39 and 3,199.25

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Solution

The fourth proportional to 10,125.29, 15,187.39 and 3,199.25 is: 4,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.29 : 15,187.39 = 3,199.25 : x
  2. Step 2: Convert to fraction form
    10,125.29/15,187.39 = 3,199.25/x
  3. Step 3: Cross multiply
    10,125.29x = 15,187.39 × 3,199.25
  4. Step 4: Simplify right side
    10,125.29x = 48,588,257.46
  5. Step 5: Solve for x
    x = 48,588,257.46/10,125.29
  6. Step 6: Final answer
    x = 4,798.70

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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.