Home / 10,547.38-15,821.88-2,756.08

Finding the Fourth Proportional to 10,547.38, 15,821.88 and 2,756.08

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Solution

The fourth proportional to 10,547.38, 15,821.88 and 2,756.08 is: 4,134.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,547.38 : 15,821.88 = 2,756.08 : x
  2. Step 2: Convert to fraction form
    10,547.38/15,821.88 = 2,756.08/x
  3. Step 3: Cross multiply
    10,547.38x = 15,821.88 × 2,756.08
  4. Step 4: Simplify right side
    10,547.38x = 43,606,367.03
  5. Step 5: Solve for x
    x = 43,606,367.03/10,547.38
  6. Step 6: Final answer
    x = 4,134.33

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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.