Home / 10,241.12-15,367.64-4,317.64

Finding the Fourth Proportional to 10,241.12, 15,367.64 and 4,317.64

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Solution

The fourth proportional to 10,241.12, 15,367.64 and 4,317.64 is: 6,478.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,241.12 : 15,367.64 = 4,317.64 : x
  2. Step 2: Convert to fraction form
    10,241.12/15,367.64 = 4,317.64/x
  3. Step 3: Cross multiply
    10,241.12x = 15,367.64 × 4,317.64
  4. Step 4: Simplify right side
    10,241.12x = 66,351,984.50
  5. Step 5: Solve for x
    x = 66,351,984.50/10,241.12
  6. Step 6: Final answer
    x = 6,478.98

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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.