Home / 14,282.91-19,710.41-8,318.61

Finding the Fourth Proportional to 14,282.91, 19,710.41 and 8,318.61

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Solution

The fourth proportional to 14,282.91, 19,710.41 and 8,318.61 is: 11,479.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.91 : 19,710.41 = 8,318.61 : x
  2. Step 2: Convert to fraction form
    14,282.91/19,710.41 = 8,318.61/x
  3. Step 3: Cross multiply
    14,282.91x = 19,710.41 × 8,318.61
  4. Step 4: Simplify right side
    14,282.91x = 163,963,172.14
  5. Step 5: Solve for x
    x = 163,963,172.14/14,282.91
  6. Step 6: Final answer
    x = 11,479.68

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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.