Home / 12,555.72-17,326.80-7,251.03

Finding the Fourth Proportional to 12,555.72, 17,326.80 and 7,251.03

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Solution

The fourth proportional to 12,555.72, 17,326.80 and 7,251.03 is: 10,006.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555.72 : 17,326.80 = 7,251.03 : x
  2. Step 2: Convert to fraction form
    12,555.72/17,326.80 = 7,251.03/x
  3. Step 3: Cross multiply
    12,555.72x = 17,326.80 × 7,251.03
  4. Step 4: Simplify right side
    12,555.72x = 125,637,146.60
  5. Step 5: Solve for x
    x = 125,637,146.60/12,555.72
  6. Step 6: Final answer
    x = 10,006.37

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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.