Home / 11,108.20-16,662.30-10,263.40

Finding the Fourth Proportional to 11,108.20, 16,662.30 and 10,263.40

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Solution

The fourth proportional to 11,108.20, 16,662.30 and 10,263.40 is: 15,395.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.20 : 16,662.30 = 10,263.40 : x
  2. Step 2: Convert to fraction form
    11,108.20/16,662.30 = 10,263.40/x
  3. Step 3: Cross multiply
    11,108.20x = 16,662.30 × 10,263.40
  4. Step 4: Simplify right side
    11,108.20x = 171,011,849.82
  5. Step 5: Solve for x
    x = 171,011,849.82/11,108.20
  6. Step 6: Final answer
    x = 15,395.10

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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.