Home / 17,009.28-25,479.36-8,784

Finding the Fourth Proportional to 17,009.28, 25,479.36 and 8,784

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Solution

The fourth proportional to 17,009.28, 25,479.36 and 8,784 is: 13,158.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,009.28 : 25,479.36 = 8,784 : x
  2. Step 2: Convert to fraction form
    17,009.28/25,479.36 = 8,784/x
  3. Step 3: Cross multiply
    17,009.28x = 25,479.36 × 8,784
  4. Step 4: Simplify right side
    17,009.28x = 223,810,698.24
  5. Step 5: Solve for x
    x = 223,810,698.24/17,009.28
  6. Step 6: Final answer
    x = 13,158.15

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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.