Home / 19,119.40-26,397.76-11,952.12

Finding the Fourth Proportional to 19,119.40, 26,397.76 and 11,952.12

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Solution

The fourth proportional to 19,119.40, 26,397.76 and 11,952.12 is: 16,502.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.40 : 26,397.76 = 11,952.12 : x
  2. Step 2: Convert to fraction form
    19,119.40/26,397.76 = 11,952.12/x
  3. Step 3: Cross multiply
    19,119.40x = 26,397.76 × 11,952.12
  4. Step 4: Simplify right side
    19,119.40x = 315,509,195.25
  5. Step 5: Solve for x
    x = 315,509,195.25/19,119.40
  6. Step 6: Final answer
    x = 16,502.04

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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.