Home / 14,284.20-19,721.94-8,908.74

Finding the Fourth Proportional to 14,284.20, 19,721.94 and 8,908.74

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Solution

The fourth proportional to 14,284.20, 19,721.94 and 8,908.74 is: 12,300.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,284.20 : 19,721.94 = 8,908.74 : x
  2. Step 2: Convert to fraction form
    14,284.20/19,721.94 = 8,908.74/x
  3. Step 3: Cross multiply
    14,284.20x = 19,721.94 × 8,908.74
  4. Step 4: Simplify right side
    14,284.20x = 175,697,564.18
  5. Step 5: Solve for x
    x = 175,697,564.18/14,284.20
  6. Step 6: Final answer
    x = 12,300.13

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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.