Home / 10,468.12-15,702.26-3,547.48

Finding the Fourth Proportional to 10,468.12, 15,702.26 and 3,547.48

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Solution

The fourth proportional to 10,468.12, 15,702.26 and 3,547.48 is: 5,321.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,468.12 : 15,702.26 = 3,547.48 : x
  2. Step 2: Convert to fraction form
    10,468.12/15,702.26 = 3,547.48/x
  3. Step 3: Cross multiply
    10,468.12x = 15,702.26 × 3,547.48
  4. Step 4: Simplify right side
    10,468.12x = 55,703,453.30
  5. Step 5: Solve for x
    x = 55,703,453.30/10,468.12
  6. Step 6: Final answer
    x = 5,321.25

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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.