Home / 16,528.74-22,809.91-8,975.22

Finding the Fourth Proportional to 16,528.74, 22,809.91 and 8,975.22

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Solution

The fourth proportional to 16,528.74, 22,809.91 and 8,975.22 is: 12,385.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,528.74 : 22,809.91 = 8,975.22 : x
  2. Step 2: Convert to fraction form
    16,528.74/22,809.91 = 8,975.22/x
  3. Step 3: Cross multiply
    16,528.74x = 22,809.91 × 8,975.22
  4. Step 4: Simplify right side
    16,528.74x = 204,723,960.43
  5. Step 5: Solve for x
    x = 204,723,960.43/16,528.74
  6. Step 6: Final answer
    x = 12,385.94

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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.