Home / 10,667.20-16,001.21-4,094.05

Finding the Fourth Proportional to 10,667.20, 16,001.21 and 4,094.05

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Solution

The fourth proportional to 10,667.20, 16,001.21 and 4,094.05 is: 6,141.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,667.20 : 16,001.21 = 4,094.05 : x
  2. Step 2: Convert to fraction form
    10,667.20/16,001.21 = 4,094.05/x
  3. Step 3: Cross multiply
    10,667.20x = 16,001.21 × 4,094.05
  4. Step 4: Simplify right side
    10,667.20x = 65,509,753.80
  5. Step 5: Solve for x
    x = 65,509,753.80/10,667.20
  6. Step 6: Final answer
    x = 6,141.23

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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.