Home / 13,402.08-20,063.16-10,908.36

Finding the Fourth Proportional to 13,402.08, 20,063.16 and 10,908.36

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Solution

The fourth proportional to 13,402.08, 20,063.16 and 10,908.36 is: 16,330.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,402.08 : 20,063.16 = 10,908.36 : x
  2. Step 2: Convert to fraction form
    13,402.08/20,063.16 = 10,908.36/x
  3. Step 3: Cross multiply
    13,402.08x = 20,063.16 × 10,908.36
  4. Step 4: Simplify right side
    13,402.08x = 218,856,172.02
  5. Step 5: Solve for x
    x = 218,856,172.02/13,402.08
  6. Step 6: Final answer
    x = 16,330.02

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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.