Home / 14,838.69-20,476.49-8,465.61

Finding the Fourth Proportional to 14,838.69, 20,476.49 and 8,465.61

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Solution

The fourth proportional to 14,838.69, 20,476.49 and 8,465.61 is: 11,682.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,838.69 : 20,476.49 = 8,465.61 : x
  2. Step 2: Convert to fraction form
    14,838.69/20,476.49 = 8,465.61/x
  3. Step 3: Cross multiply
    14,838.69x = 20,476.49 × 8,465.61
  4. Step 4: Simplify right side
    14,838.69x = 173,345,936.18
  5. Step 5: Solve for x
    x = 173,345,936.18/14,838.69
  6. Step 6: Final answer
    x = 11,682.02

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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.