Home / 13,228.26-19,816.47-5,815.14

Finding the Fourth Proportional to 13,228.26, 19,816.47 and 5,815.14

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Solution

The fourth proportional to 13,228.26, 19,816.47 and 5,815.14 is: 8,711.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228.26 : 19,816.47 = 5,815.14 : x
  2. Step 2: Convert to fraction form
    13,228.26/19,816.47 = 5,815.14/x
  3. Step 3: Cross multiply
    13,228.26x = 19,816.47 × 5,815.14
  4. Step 4: Simplify right side
    13,228.26x = 115,235,547.36
  5. Step 5: Solve for x
    x = 115,235,547.36/13,228.26
  6. Step 6: Final answer
    x = 8,711.32

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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.