Home / 11,328.45-16,983.35-10,098.46

Finding the Fourth Proportional to 11,328.45, 16,983.35 and 10,098.46

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Solution

The fourth proportional to 11,328.45, 16,983.35 and 10,098.46 is: 15,139.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.45 : 16,983.35 = 10,098.46 : x
  2. Step 2: Convert to fraction form
    11,328.45/16,983.35 = 10,098.46/x
  3. Step 3: Cross multiply
    11,328.45x = 16,983.35 × 10,098.46
  4. Step 4: Simplify right side
    11,328.45x = 171,505,680.64
  5. Step 5: Solve for x
    x = 171,505,680.64/11,328.45
  6. Step 6: Final answer
    x = 15,139.38

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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.