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Finding the Fourth Proportional to 15,656.52, 23,482.62 and 8,649.48

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Solution

The fourth proportional to 15,656.52, 23,482.62 and 8,649.48 is: 12,973.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,656.52 : 23,482.62 = 8,649.48 : x
  2. Step 2: Convert to fraction form
    15,656.52/23,482.62 = 8,649.48/x
  3. Step 3: Cross multiply
    15,656.52x = 23,482.62 × 8,649.48
  4. Step 4: Simplify right side
    15,656.52x = 203,112,452.04
  5. Step 5: Solve for x
    x = 203,112,452.04/15,656.52
  6. Step 6: Final answer
    x = 12,973.03

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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.