Home / 12,204.48-18,261.36-7,276.80

Finding the Fourth Proportional to 12,204.48, 18,261.36 and 7,276.80

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Solution

The fourth proportional to 12,204.48, 18,261.36 and 7,276.80 is: 10,888.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204.48 : 18,261.36 = 7,276.80 : x
  2. Step 2: Convert to fraction form
    12,204.48/18,261.36 = 7,276.80/x
  3. Step 3: Cross multiply
    12,204.48x = 18,261.36 × 7,276.80
  4. Step 4: Simplify right side
    12,204.48x = 132,884,264.45
  5. Step 5: Solve for x
    x = 132,884,264.45/12,204.48
  6. Step 6: Final answer
    x = 10,888.15

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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.