Home / 11,036.16-15,232.28-6,790.84

Finding the Fourth Proportional to 11,036.16, 15,232.28 and 6,790.84

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Solution

The fourth proportional to 11,036.16, 15,232.28 and 6,790.84 is: 9,372.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,036.16 : 15,232.28 = 6,790.84 : x
  2. Step 2: Convert to fraction form
    11,036.16/15,232.28 = 6,790.84/x
  3. Step 3: Cross multiply
    11,036.16x = 15,232.28 × 6,790.84
  4. Step 4: Simplify right side
    11,036.16x = 103,439,976.32
  5. Step 5: Solve for x
    x = 103,439,976.32/11,036.16
  6. Step 6: Final answer
    x = 9,372.82

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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.