Home / 20,242.14-30,374.15-9,853.89

Finding the Fourth Proportional to 20,242.14, 30,374.15 and 9,853.89

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Solution

The fourth proportional to 20,242.14, 30,374.15 and 9,853.89 is: 14,786.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242.14 : 30,374.15 = 9,853.89 : x
  2. Step 2: Convert to fraction form
    20,242.14/30,374.15 = 9,853.89/x
  3. Step 3: Cross multiply
    20,242.14x = 30,374.15 × 9,853.89
  4. Step 4: Simplify right side
    20,242.14x = 299,303,532.94
  5. Step 5: Solve for x
    x = 299,303,532.94/20,242.14
  6. Step 6: Final answer
    x = 14,786.16

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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.