Home / 10,899.04-16,350.81-3,402.40

Finding the Fourth Proportional to 10,899.04, 16,350.81 and 3,402.40

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Solution

The fourth proportional to 10,899.04, 16,350.81 and 3,402.40 is: 5,104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,899.04 : 16,350.81 = 3,402.40 : x
  2. Step 2: Convert to fraction form
    10,899.04/16,350.81 = 3,402.40/x
  3. Step 3: Cross multiply
    10,899.04x = 16,350.81 × 3,402.40
  4. Step 4: Simplify right side
    10,899.04x = 55,631,995.94
  5. Step 5: Solve for x
    x = 55,631,995.94/10,899.04
  6. Step 6: Final answer
    x = 5,104.30

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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.