Home / 14,689.62-20,265.09-8,717.94

Finding the Fourth Proportional to 14,689.62, 20,265.09 and 8,717.94

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Solution

The fourth proportional to 14,689.62, 20,265.09 and 8,717.94 is: 12,026.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,689.62 : 20,265.09 = 8,717.94 : x
  2. Step 2: Convert to fraction form
    14,689.62/20,265.09 = 8,717.94/x
  3. Step 3: Cross multiply
    14,689.62x = 20,265.09 × 8,717.94
  4. Step 4: Simplify right side
    14,689.62x = 176,669,838.71
  5. Step 5: Solve for x
    x = 176,669,838.71/14,689.62
  6. Step 6: Final answer
    x = 12,026.85

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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.