Home / 14,800.11-20,400.43-10,018.55

Finding the Fourth Proportional to 14,800.11, 20,400.43 and 10,018.55

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Solution

The fourth proportional to 14,800.11, 20,400.43 and 10,018.55 is: 13,809.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,800.11 : 20,400.43 = 10,018.55 : x
  2. Step 2: Convert to fraction form
    14,800.11/20,400.43 = 10,018.55/x
  3. Step 3: Cross multiply
    14,800.11x = 20,400.43 × 10,018.55
  4. Step 4: Simplify right side
    14,800.11x = 204,382,727.98
  5. Step 5: Solve for x
    x = 204,382,727.98/14,800.11
  6. Step 6: Final answer
    x = 13,809.54

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Half scale
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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.