Home / 10,448.08-15,671.88-2,656.90

Finding the Fourth Proportional to 10,448.08, 15,671.88 and 2,656.90

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Solution

The fourth proportional to 10,448.08, 15,671.88 and 2,656.90 is: 3,985.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448.08 : 15,671.88 = 2,656.90 : x
  2. Step 2: Convert to fraction form
    10,448.08/15,671.88 = 2,656.90/x
  3. Step 3: Cross multiply
    10,448.08x = 15,671.88 × 2,656.90
  4. Step 4: Simplify right side
    10,448.08x = 41,638,617.97
  5. Step 5: Solve for x
    x = 41,638,617.97/10,448.08
  6. Step 6: Final answer
    x = 3,985.29

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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.