Home / 15,204.62-21,000.66-11,444.60

Finding the Fourth Proportional to 15,204.62, 21,000.66 and 11,444.60

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Solution

The fourth proportional to 15,204.62, 21,000.66 and 11,444.60 is: 15,807.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,204.62 : 21,000.66 = 11,444.60 : x
  2. Step 2: Convert to fraction form
    15,204.62/21,000.66 = 11,444.60/x
  3. Step 3: Cross multiply
    15,204.62x = 21,000.66 × 11,444.60
  4. Step 4: Simplify right side
    15,204.62x = 240,344,153.44
  5. Step 5: Solve for x
    x = 240,344,153.44/15,204.62
  6. Step 6: Final answer
    x = 15,807.31

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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.