Home / 19,294.09-29,085.74-18,008.16

Finding the Fourth Proportional to 19,294.09, 29,085.74 and 18,008.16

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Solution

The fourth proportional to 19,294.09, 29,085.74 and 18,008.16 is: 27,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,294.09 : 29,085.74 = 18,008.16 : x
  2. Step 2: Convert to fraction form
    19,294.09/29,085.74 = 18,008.16/x
  3. Step 3: Cross multiply
    19,294.09x = 29,085.74 × 18,008.16
  4. Step 4: Simplify right side
    19,294.09x = 523,780,514.21
  5. Step 5: Solve for x
    x = 523,780,514.21/19,294.09
  6. Step 6: Final answer
    x = 27,147.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.