Home / 10,989.08-15,164.94-6,021.08

Finding the Fourth Proportional to 10,989.08, 15,164.94 and 6,021.08

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Solution

The fourth proportional to 10,989.08, 15,164.94 and 6,021.08 is: 8,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.08 : 15,164.94 = 6,021.08 : x
  2. Step 2: Convert to fraction form
    10,989.08/15,164.94 = 6,021.08/x
  3. Step 3: Cross multiply
    10,989.08x = 15,164.94 × 6,021.08
  4. Step 4: Simplify right side
    10,989.08x = 91,309,316.94
  5. Step 5: Solve for x
    x = 91,309,316.94/10,989.08
  6. Step 6: Final answer
    x = 8,309.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.