Home / 10,309.84-15,465.77-2,914.35

Finding the Fourth Proportional to 10,309.84, 15,465.77 and 2,914.35

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Solution

The fourth proportional to 10,309.84, 15,465.77 and 2,914.35 is: 4,371.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309.84 : 15,465.77 = 2,914.35 : x
  2. Step 2: Convert to fraction form
    10,309.84/15,465.77 = 2,914.35/x
  3. Step 3: Cross multiply
    10,309.84x = 15,465.77 × 2,914.35
  4. Step 4: Simplify right side
    10,309.84x = 45,072,666.80
  5. Step 5: Solve for x
    x = 45,072,666.80/10,309.84
  6. Step 6: Final answer
    x = 4,371.81

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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.