Home / 13,342.62-19,975.04-12,837.18

Finding the Fourth Proportional to 13,342.62, 19,975.04 and 12,837.18

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Solution

The fourth proportional to 13,342.62, 19,975.04 and 12,837.18 is: 19,218.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342.62 : 19,975.04 = 12,837.18 : x
  2. Step 2: Convert to fraction form
    13,342.62/19,975.04 = 12,837.18/x
  3. Step 3: Cross multiply
    13,342.62x = 19,975.04 × 12,837.18
  4. Step 4: Simplify right side
    13,342.62x = 256,423,183.99
  5. Step 5: Solve for x
    x = 256,423,183.99/13,342.62
  6. Step 6: Final answer
    x = 19,218.35

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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.