Home / 11,154.40-16,731.60-10,981.60

Finding the Fourth Proportional to 11,154.40, 16,731.60 and 10,981.60

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Solution

The fourth proportional to 11,154.40, 16,731.60 and 10,981.60 is: 16,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.40 : 16,731.60 = 10,981.60 : x
  2. Step 2: Convert to fraction form
    11,154.40/16,731.60 = 10,981.60/x
  3. Step 3: Cross multiply
    11,154.40x = 16,731.60 × 10,981.60
  4. Step 4: Simplify right side
    11,154.40x = 183,739,738.56
  5. Step 5: Solve for x
    x = 183,739,738.56/11,154.40
  6. Step 6: Final answer
    x = 16,472.40

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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.