Home / 20,669.62-30,987.18-9,584.23

Finding the Fourth Proportional to 20,669.62, 30,987.18 and 9,584.23

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Solution

The fourth proportional to 20,669.62, 30,987.18 and 9,584.23 is: 14,368.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,669.62 : 30,987.18 = 9,584.23 : x
  2. Step 2: Convert to fraction form
    20,669.62/30,987.18 = 9,584.23/x
  3. Step 3: Cross multiply
    20,669.62x = 30,987.18 × 9,584.23
  4. Step 4: Simplify right side
    20,669.62x = 296,988,260.17
  5. Step 5: Solve for x
    x = 296,988,260.17/20,669.62
  6. Step 6: Final answer
    x = 14,368.35

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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.