Home / 16,289.26-22,479.18-9,215.52

Finding the Fourth Proportional to 16,289.26, 22,479.18 and 9,215.52

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Solution

The fourth proportional to 16,289.26, 22,479.18 and 9,215.52 is: 12,717.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,289.26 : 22,479.18 = 9,215.52 : x
  2. Step 2: Convert to fraction form
    16,289.26/22,479.18 = 9,215.52/x
  3. Step 3: Cross multiply
    16,289.26x = 22,479.18 × 9,215.52
  4. Step 4: Simplify right side
    16,289.26x = 207,157,332.87
  5. Step 5: Solve for x
    x = 207,157,332.87/16,289.26
  6. Step 6: Final answer
    x = 12,717.42

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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.