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Finding the Fourth Proportional to 15,770.68, 23,657.86 and 5,241.64

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Solution

The fourth proportional to 15,770.68, 23,657.86 and 5,241.64 is: 7,863.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,770.68 : 23,657.86 = 5,241.64 : x
  2. Step 2: Convert to fraction form
    15,770.68/23,657.86 = 5,241.64/x
  3. Step 3: Cross multiply
    15,770.68x = 23,657.86 × 5,241.64
  4. Step 4: Simplify right side
    15,770.68x = 124,005,985.29
  5. Step 5: Solve for x
    x = 124,005,985.29/15,770.68
  6. Step 6: Final answer
    x = 7,863.07

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1.5x scale

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.