Home / 21,719.79-32,582.52-6,137.82

Finding the Fourth Proportional to 21,719.79, 32,582.52 and 6,137.82

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Solution

The fourth proportional to 21,719.79, 32,582.52 and 6,137.82 is: 9,207.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,719.79 : 32,582.52 = 6,137.82 : x
  2. Step 2: Convert to fraction form
    21,719.79/32,582.52 = 6,137.82/x
  3. Step 3: Cross multiply
    21,719.79x = 32,582.52 × 6,137.82
  4. Step 4: Simplify right side
    21,719.79x = 199,985,642.91
  5. Step 5: Solve for x
    x = 199,985,642.91/21,719.79
  6. Step 6: Final answer
    x = 9,207.53

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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.