Home / 19,839.12-29,758.72-5,988.16

Finding the Fourth Proportional to 19,839.12, 29,758.72 and 5,988.16

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Solution

The fourth proportional to 19,839.12, 29,758.72 and 5,988.16 is: 8,982.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.12 : 29,758.72 = 5,988.16 : x
  2. Step 2: Convert to fraction form
    19,839.12/29,758.72 = 5,988.16/x
  3. Step 3: Cross multiply
    19,839.12x = 29,758.72 × 5,988.16
  4. Step 4: Simplify right side
    19,839.12x = 178,199,976.76
  5. Step 5: Solve for x
    x = 178,199,976.76/19,839.12
  6. Step 6: Final answer
    x = 8,982.25

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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.