Home / 12,330.48-17,029.80-11,397.36

Finding the Fourth Proportional to 12,330.48, 17,029.80 and 11,397.36

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Solution

The fourth proportional to 12,330.48, 17,029.80 and 11,397.36 is: 15,741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.48 : 17,029.80 = 11,397.36 : x
  2. Step 2: Convert to fraction form
    12,330.48/17,029.80 = 11,397.36/x
  3. Step 3: Cross multiply
    12,330.48x = 17,029.80 × 11,397.36
  4. Step 4: Simplify right side
    12,330.48x = 194,094,761.33
  5. Step 5: Solve for x
    x = 194,094,761.33/12,330.48
  6. Step 6: Final answer
    x = 15,741.05

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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.