Home / 18,145.68-27,212.04-6,296.40

Finding the Fourth Proportional to 18,145.68, 27,212.04 and 6,296.40

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Solution

The fourth proportional to 18,145.68, 27,212.04 and 6,296.40 is: 9,442.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145.68 : 27,212.04 = 6,296.40 : x
  2. Step 2: Convert to fraction form
    18,145.68/27,212.04 = 6,296.40/x
  3. Step 3: Cross multiply
    18,145.68x = 27,212.04 × 6,296.40
  4. Step 4: Simplify right side
    18,145.68x = 171,337,888.66
  5. Step 5: Solve for x
    x = 171,337,888.66/18,145.68
  6. Step 6: Final answer
    x = 9,442.35

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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.