Home / 21,626.44-32,443.99-9,146.42

Finding the Fourth Proportional to 21,626.44, 32,443.99 and 9,146.42

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Solution

The fourth proportional to 21,626.44, 32,443.99 and 9,146.42 is: 13,721.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,626.44 : 32,443.99 = 9,146.42 : x
  2. Step 2: Convert to fraction form
    21,626.44/32,443.99 = 9,146.42/x
  3. Step 3: Cross multiply
    21,626.44x = 32,443.99 × 9,146.42
  4. Step 4: Simplify right side
    21,626.44x = 296,746,347.04
  5. Step 5: Solve for x
    x = 296,746,347.04/21,626.44
  6. Step 6: Final answer
    x = 13,721.46

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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.