Home / 13,665.45-20,498.18-10,550.01

Finding the Fourth Proportional to 13,665.45, 20,498.18 and 10,550.01

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Solution

The fourth proportional to 13,665.45, 20,498.18 and 10,550.01 is: 15,825.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665.45 : 20,498.18 = 10,550.01 : x
  2. Step 2: Convert to fraction form
    13,665.45/20,498.18 = 10,550.01/x
  3. Step 3: Cross multiply
    13,665.45x = 20,498.18 × 10,550.01
  4. Step 4: Simplify right side
    13,665.45x = 216,255,914.49
  5. Step 5: Solve for x
    x = 216,255,914.49/13,665.45
  6. Step 6: Final answer
    x = 15,825.01

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Similar ratio
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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.