Home / 19,610.16-27,055.80-12,162.48

Finding the Fourth Proportional to 19,610.16, 27,055.80 and 12,162.48

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Solution

The fourth proportional to 19,610.16, 27,055.80 and 12,162.48 is: 16,780.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610.16 : 27,055.80 = 12,162.48 : x
  2. Step 2: Convert to fraction form
    19,610.16/27,055.80 = 12,162.48/x
  3. Step 3: Cross multiply
    19,610.16x = 27,055.80 × 12,162.48
  4. Step 4: Simplify right side
    19,610.16x = 329,065,626.38
  5. Step 5: Solve for x
    x = 329,065,626.38/19,610.16
  6. Step 6: Final answer
    x = 16,780.36

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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.