Home / 10,436.17-15,655.79-3,039.66

Finding the Fourth Proportional to 10,436.17, 15,655.79 and 3,039.66

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Solution

The fourth proportional to 10,436.17, 15,655.79 and 3,039.66 is: 4,559.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436.17 : 15,655.79 = 3,039.66 : x
  2. Step 2: Convert to fraction form
    10,436.17/15,655.79 = 3,039.66/x
  3. Step 3: Cross multiply
    10,436.17x = 15,655.79 × 3,039.66
  4. Step 4: Simplify right side
    10,436.17x = 47,588,278.63
  5. Step 5: Solve for x
    x = 47,588,278.63/10,436.17
  6. Step 6: Final answer
    x = 4,559.94

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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.