Home / 21,713.35-32,582.33-12,347.53

Finding the Fourth Proportional to 21,713.35, 32,582.33 and 12,347.53

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Solution

The fourth proportional to 21,713.35, 32,582.33 and 12,347.53 is: 18,528.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,713.35 : 32,582.33 = 12,347.53 : x
  2. Step 2: Convert to fraction form
    21,713.35/32,582.33 = 12,347.53/x
  3. Step 3: Cross multiply
    21,713.35x = 32,582.33 × 12,347.53
  4. Step 4: Simplify right side
    21,713.35x = 402,311,297.14
  5. Step 5: Solve for x
    x = 402,311,297.14/21,713.35
  6. Step 6: Final answer
    x = 18,528.29

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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.