Home / 10,436.18-15,656.81-3,040.70

Finding the Fourth Proportional to 10,436.18, 15,656.81 and 3,040.70

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Solution

The fourth proportional to 10,436.18, 15,656.81 and 3,040.70 is: 4,561.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436.18 : 15,656.81 = 3,040.70 : x
  2. Step 2: Convert to fraction form
    10,436.18/15,656.81 = 3,040.70/x
  3. Step 3: Cross multiply
    10,436.18x = 15,656.81 × 3,040.70
  4. Step 4: Simplify right side
    10,436.18x = 47,607,568.68
  5. Step 5: Solve for x
    x = 47,607,568.68/10,436.18
  6. Step 6: Final answer
    x = 4,561.78

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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.