Home / 19,067.85-26,284.47-13,386.66

Finding the Fourth Proportional to 19,067.85, 26,284.47 and 13,386.66

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Solution

The fourth proportional to 19,067.85, 26,284.47 and 13,386.66 is: 18,453.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,067.85 : 26,284.47 = 13,386.66 : x
  2. Step 2: Convert to fraction form
    19,067.85/26,284.47 = 13,386.66/x
  3. Step 3: Cross multiply
    19,067.85x = 26,284.47 × 13,386.66
  4. Step 4: Simplify right side
    19,067.85x = 351,861,263.17
  5. Step 5: Solve for x
    x = 351,861,263.17/19,067.85
  6. Step 6: Final answer
    x = 18,453.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.