Home / 13,006.26-19,479.87-9,288.18

Finding the Fourth Proportional to 13,006.26, 19,479.87 and 9,288.18

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Solution

The fourth proportional to 13,006.26, 19,479.87 and 9,288.18 is: 13,911.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006.26 : 19,479.87 = 9,288.18 : x
  2. Step 2: Convert to fraction form
    13,006.26/19,479.87 = 9,288.18/x
  3. Step 3: Cross multiply
    13,006.26x = 19,479.87 × 9,288.18
  4. Step 4: Simplify right side
    13,006.26x = 180,932,538.94
  5. Step 5: Solve for x
    x = 180,932,538.94/13,006.26
  6. Step 6: Final answer
    x = 13,911.19

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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.