Home / 14,678.72-21,988.91-8,088.56

Finding the Fourth Proportional to 14,678.72, 21,988.91 and 8,088.56

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Solution

The fourth proportional to 14,678.72, 21,988.91 and 8,088.56 is: 12,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,678.72 : 21,988.91 = 8,088.56 : x
  2. Step 2: Convert to fraction form
    14,678.72/21,988.91 = 8,088.56/x
  3. Step 3: Cross multiply
    14,678.72x = 21,988.91 × 8,088.56
  4. Step 4: Simplify right side
    14,678.72x = 177,858,467.48
  5. Step 5: Solve for x
    x = 177,858,467.48/14,678.72
  6. Step 6: Final answer
    x = 12,116.76

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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.