Home / 19,418.42-29,127.15-6,271.70

Finding the Fourth Proportional to 19,418.42, 29,127.15 and 6,271.70

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Solution

The fourth proportional to 19,418.42, 29,127.15 and 6,271.70 is: 9,407.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.42 : 29,127.15 = 6,271.70 : x
  2. Step 2: Convert to fraction form
    19,418.42/29,127.15 = 6,271.70/x
  3. Step 3: Cross multiply
    19,418.42x = 29,127.15 × 6,271.70
  4. Step 4: Simplify right side
    19,418.42x = 182,676,746.66
  5. Step 5: Solve for x
    x = 182,676,746.66/19,418.42
  6. Step 6: Final answer
    x = 9,407.39

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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.