Home / 15,204.72-22,770.32-11,690.40

Finding the Fourth Proportional to 15,204.72, 22,770.32 and 11,690.40

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Solution

The fourth proportional to 15,204.72, 22,770.32 and 11,690.40 is: 17,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,204.72 : 22,770.32 = 11,690.40 : x
  2. Step 2: Convert to fraction form
    15,204.72/22,770.32 = 11,690.40/x
  3. Step 3: Cross multiply
    15,204.72x = 22,770.32 × 11,690.40
  4. Step 4: Simplify right side
    15,204.72x = 266,194,148.93
  5. Step 5: Solve for x
    x = 266,194,148.93/15,204.72
  6. Step 6: Final answer
    x = 17,507.34

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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.