Home / 11,237.82-15,506.55-7,047.42

Finding the Fourth Proportional to 11,237.82, 15,506.55 and 7,047.42

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Solution

The fourth proportional to 11,237.82, 15,506.55 and 7,047.42 is: 9,724.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.82 : 15,506.55 = 7,047.42 : x
  2. Step 2: Convert to fraction form
    11,237.82/15,506.55 = 7,047.42/x
  3. Step 3: Cross multiply
    11,237.82x = 15,506.55 × 7,047.42
  4. Step 4: Simplify right side
    11,237.82x = 109,281,170.60
  5. Step 5: Solve for x
    x = 109,281,170.60/11,237.82
  6. Step 6: Final answer
    x = 9,724.41

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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.