Home / 15,614.48-21,546.16-9,241.35

Finding the Fourth Proportional to 15,614.48, 21,546.16 and 9,241.35

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Solution

The fourth proportional to 15,614.48, 21,546.16 and 9,241.35 is: 12,751.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614.48 : 21,546.16 = 9,241.35 : x
  2. Step 2: Convert to fraction form
    15,614.48/21,546.16 = 9,241.35/x
  3. Step 3: Cross multiply
    15,614.48x = 21,546.16 × 9,241.35
  4. Step 4: Simplify right side
    15,614.48x = 199,115,497.99
  5. Step 5: Solve for x
    x = 199,115,497.99/15,614.48
  6. Step 6: Final answer
    x = 12,751.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.