Home / 10,338.84-15,510.69-2,943.14

Finding the Fourth Proportional to 10,338.84, 15,510.69 and 2,943.14

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Solution

The fourth proportional to 10,338.84, 15,510.69 and 2,943.14 is: 4,415.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338.84 : 15,510.69 = 2,943.14 : x
  2. Step 2: Convert to fraction form
    10,338.84/15,510.69 = 2,943.14/x
  3. Step 3: Cross multiply
    10,338.84x = 15,510.69 × 2,943.14
  4. Step 4: Simplify right side
    10,338.84x = 45,650,054.61
  5. Step 5: Solve for x
    x = 45,650,054.61/10,338.84
  6. Step 6: Final answer
    x = 4,415.39

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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.