Home / 10,482.30-15,726.11-3,087

Finding the Fourth Proportional to 10,482.30, 15,726.11 and 3,087

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Solution

The fourth proportional to 10,482.30, 15,726.11 and 3,087 is: 4,631.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,482.30 : 15,726.11 = 3,087 : x
  2. Step 2: Convert to fraction form
    10,482.30/15,726.11 = 3,087/x
  3. Step 3: Cross multiply
    10,482.30x = 15,726.11 × 3,087
  4. Step 4: Simplify right side
    10,482.30x = 48,546,486.14
  5. Step 5: Solve for x
    x = 48,546,486.14/10,482.30
  6. Step 6: Final answer
    x = 4,631.28

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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.