Home / 10,918.04-16,371.38-3,895.40

Finding the Fourth Proportional to 10,918.04, 16,371.38 and 3,895.40

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Solution

The fourth proportional to 10,918.04, 16,371.38 and 3,895.40 is: 5,841.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918.04 : 16,371.38 = 3,895.40 : x
  2. Step 2: Convert to fraction form
    10,918.04/16,371.38 = 3,895.40/x
  3. Step 3: Cross multiply
    10,918.04x = 16,371.38 × 3,895.40
  4. Step 4: Simplify right side
    10,918.04x = 63,773,073.65
  5. Step 5: Solve for x
    x = 63,773,073.65/10,918.04
  6. Step 6: Final answer
    x = 5,841.07

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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.