Home / 19,615.91-29,407.28-8,514.26

Finding the Fourth Proportional to 19,615.91, 29,407.28 and 8,514.26

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Solution

The fourth proportional to 19,615.91, 29,407.28 and 8,514.26 is: 12,764.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,615.91 : 29,407.28 = 8,514.26 : x
  2. Step 2: Convert to fraction form
    19,615.91/29,407.28 = 8,514.26/x
  3. Step 3: Cross multiply
    19,615.91x = 29,407.28 × 8,514.26
  4. Step 4: Simplify right side
    19,615.91x = 250,381,038.21
  5. Step 5: Solve for x
    x = 250,381,038.21/19,615.91
  6. Step 6: Final answer
    x = 12,764.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.