Home / 14,282.24-21,411.84-8,117.76

Finding the Fourth Proportional to 14,282.24, 21,411.84 and 8,117.76

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Solution

The fourth proportional to 14,282.24, 21,411.84 and 8,117.76 is: 12,170.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.24 : 21,411.84 = 8,117.76 : x
  2. Step 2: Convert to fraction form
    14,282.24/21,411.84 = 8,117.76/x
  3. Step 3: Cross multiply
    14,282.24x = 21,411.84 × 8,117.76
  4. Step 4: Simplify right side
    14,282.24x = 173,816,178.28
  5. Step 5: Solve for x
    x = 173,816,178.28/14,282.24
  6. Step 6: Final answer
    x = 12,170.09

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1.5x scale

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.