Home / 13,492.80-18,628.74-9,250.92

Finding the Fourth Proportional to 13,492.80, 18,628.74 and 9,250.92

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Solution

The fourth proportional to 13,492.80, 18,628.74 and 9,250.92 is: 12,772.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.80 : 18,628.74 = 9,250.92 : x
  2. Step 2: Convert to fraction form
    13,492.80/18,628.74 = 9,250.92/x
  3. Step 3: Cross multiply
    13,492.80x = 18,628.74 × 9,250.92
  4. Step 4: Simplify right side
    13,492.80x = 172,332,983.44
  5. Step 5: Solve for x
    x = 172,332,983.44/13,492.80
  6. Step 6: Final answer
    x = 12,772.22

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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.