Home / 11,291.19-15,592.40-7,265.03

Finding the Fourth Proportional to 11,291.19, 15,592.40 and 7,265.03

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Solution

The fourth proportional to 11,291.19, 15,592.40 and 7,265.03 is: 10,032.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.19 : 15,592.40 = 7,265.03 : x
  2. Step 2: Convert to fraction form
    11,291.19/15,592.40 = 7,265.03/x
  3. Step 3: Cross multiply
    11,291.19x = 15,592.40 × 7,265.03
  4. Step 4: Simplify right side
    11,291.19x = 113,279,139.48
  5. Step 5: Solve for x
    x = 113,279,139.48/11,291.19
  6. Step 6: Final answer
    x = 10,032.52

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Half scale
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Double scale
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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.