Home / 19,449.68-29,159.40-8,347.28

Finding the Fourth Proportional to 19,449.68, 29,159.40 and 8,347.28

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Solution

The fourth proportional to 19,449.68, 29,159.40 and 8,347.28 is: 12,514.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,449.68 : 29,159.40 = 8,347.28 : x
  2. Step 2: Convert to fraction form
    19,449.68/29,159.40 = 8,347.28/x
  3. Step 3: Cross multiply
    19,449.68x = 29,159.40 × 8,347.28
  4. Step 4: Simplify right side
    19,449.68x = 243,401,676.43
  5. Step 5: Solve for x
    x = 243,401,676.43/19,449.68
  6. Step 6: Final answer
    x = 12,514.43

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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.