Home / 10,958.08-15,122.28-5,990.08

Finding the Fourth Proportional to 10,958.08, 15,122.28 and 5,990.08

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Solution

The fourth proportional to 10,958.08, 15,122.28 and 5,990.08 is: 8,266.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.08 : 15,122.28 = 5,990.08 : x
  2. Step 2: Convert to fraction form
    10,958.08/15,122.28 = 5,990.08/x
  3. Step 3: Cross multiply
    10,958.08x = 15,122.28 × 5,990.08
  4. Step 4: Simplify right side
    10,958.08x = 90,583,666.98
  5. Step 5: Solve for x
    x = 90,583,666.98/10,958.08
  6. Step 6: Final answer
    x = 8,266.38

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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.