Home / 18,284.99-27,437.40-7,760.93

Finding the Fourth Proportional to 18,284.99, 27,437.40 and 7,760.93

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Solution

The fourth proportional to 18,284.99, 27,437.40 and 7,760.93 is: 11,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284.99 : 27,437.40 = 7,760.93 : x
  2. Step 2: Convert to fraction form
    18,284.99/27,437.40 = 7,760.93/x
  3. Step 3: Cross multiply
    18,284.99x = 27,437.40 × 7,760.93
  4. Step 4: Simplify right side
    18,284.99x = 212,939,740.78
  5. Step 5: Solve for x
    x = 212,939,740.78/18,284.99
  6. Step 6: Final answer
    x = 11,645.60

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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.