Home / 19,207.88-26,514.17-12,923.90

Finding the Fourth Proportional to 19,207.88, 26,514.17 and 12,923.90

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Solution

The fourth proportional to 19,207.88, 26,514.17 and 12,923.90 is: 17,839.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,207.88 : 26,514.17 = 12,923.90 : x
  2. Step 2: Convert to fraction form
    19,207.88/26,514.17 = 12,923.90/x
  3. Step 3: Cross multiply
    19,207.88x = 26,514.17 × 12,923.90
  4. Step 4: Simplify right side
    19,207.88x = 342,666,284.47
  5. Step 5: Solve for x
    x = 342,666,284.47/19,207.88
  6. Step 6: Final answer
    x = 17,839.89

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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.