Home / 12,347.22-18,521.44-3,582.82

Finding the Fourth Proportional to 12,347.22, 18,521.44 and 3,582.82

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Solution

The fourth proportional to 12,347.22, 18,521.44 and 3,582.82 is: 5,374.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347.22 : 18,521.44 = 3,582.82 : x
  2. Step 2: Convert to fraction form
    12,347.22/18,521.44 = 3,582.82/x
  3. Step 3: Cross multiply
    12,347.22x = 18,521.44 × 3,582.82
  4. Step 4: Simplify right side
    12,347.22x = 66,358,985.66
  5. Step 5: Solve for x
    x = 66,358,985.66/12,347.22
  6. Step 6: Final answer
    x = 5,374.41

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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.