Home / 18,282.99-27,434.40-7,758.93

Finding the Fourth Proportional to 18,282.99, 27,434.40 and 7,758.93

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Solution

The fourth proportional to 18,282.99, 27,434.40 and 7,758.93 is: 11,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.99 : 27,434.40 = 7,758.93 : x
  2. Step 2: Convert to fraction form
    18,282.99/27,434.40 = 7,758.93/x
  3. Step 3: Cross multiply
    18,282.99x = 27,434.40 × 7,758.93
  4. Step 4: Simplify right side
    18,282.99x = 212,861,589.19
  5. Step 5: Solve for x
    x = 212,861,589.19/18,282.99
  6. Step 6: Final answer
    x = 11,642.60

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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.