Home / 11,039.02-15,232.68-6,790.30

Finding the Fourth Proportional to 11,039.02, 15,232.68 and 6,790.30

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Solution

The fourth proportional to 11,039.02, 15,232.68 and 6,790.30 is: 9,369.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039.02 : 15,232.68 = 6,790.30 : x
  2. Step 2: Convert to fraction form
    11,039.02/15,232.68 = 6,790.30/x
  3. Step 3: Cross multiply
    11,039.02x = 15,232.68 × 6,790.30
  4. Step 4: Simplify right side
    11,039.02x = 103,434,428.92
  5. Step 5: Solve for x
    x = 103,434,428.92/11,039.02
  6. Step 6: Final answer
    x = 9,369.89

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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.