Home / 13,284.24-19,926.39-7,437.66

Finding the Fourth Proportional to 13,284.24, 19,926.39 and 7,437.66

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Solution

The fourth proportional to 13,284.24, 19,926.39 and 7,437.66 is: 11,156.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.24 : 19,926.39 = 7,437.66 : x
  2. Step 2: Convert to fraction form
    13,284.24/19,926.39 = 7,437.66/x
  3. Step 3: Cross multiply
    13,284.24x = 19,926.39 × 7,437.66
  4. Step 4: Simplify right side
    13,284.24x = 148,205,713.85
  5. Step 5: Solve for x
    x = 148,205,713.85/13,284.24
  6. Step 6: Final answer
    x = 11,156.51

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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.