Home / 19,900.67-27,456.08-12,344.27

Finding the Fourth Proportional to 19,900.67, 27,456.08 and 12,344.27

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Solution

The fourth proportional to 19,900.67, 27,456.08 and 12,344.27 is: 17,030.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,900.67 : 27,456.08 = 12,344.27 : x
  2. Step 2: Convert to fraction form
    19,900.67/27,456.08 = 12,344.27/x
  3. Step 3: Cross multiply
    19,900.67x = 27,456.08 × 12,344.27
  4. Step 4: Simplify right side
    19,900.67x = 338,925,065.66
  5. Step 5: Solve for x
    x = 338,925,065.66/19,900.67
  6. Step 6: Final answer
    x = 17,030.84

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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.