Home / 14,134.08-21,204.53-9,982.20

Finding the Fourth Proportional to 14,134.08, 21,204.53 and 9,982.20

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Solution

The fourth proportional to 14,134.08, 21,204.53 and 9,982.20 is: 14,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,134.08 : 21,204.53 = 9,982.20 : x
  2. Step 2: Convert to fraction form
    14,134.08/21,204.53 = 9,982.20/x
  3. Step 3: Cross multiply
    14,134.08x = 21,204.53 × 9,982.20
  4. Step 4: Simplify right side
    14,134.08x = 211,667,809.46
  5. Step 5: Solve for x
    x = 211,667,809.46/14,134.08
  6. Step 6: Final answer
    x = 14,975.70

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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.