Home / 10,998.28-16,487.40-5,727.09

Finding the Fourth Proportional to 10,998.28, 16,487.40 and 5,727.09

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Solution

The fourth proportional to 10,998.28, 16,487.40 and 5,727.09 is: 8,585.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.28 : 16,487.40 = 5,727.09 : x
  2. Step 2: Convert to fraction form
    10,998.28/16,487.40 = 5,727.09/x
  3. Step 3: Cross multiply
    10,998.28x = 16,487.40 × 5,727.09
  4. Step 4: Simplify right side
    10,998.28x = 94,424,741.23
  5. Step 5: Solve for x
    x = 94,424,741.23/10,998.28
  6. Step 6: Final answer
    x = 8,585.41

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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.