Home / 11,263.60-15,538.26-7,288.12

Finding the Fourth Proportional to 11,263.60, 15,538.26 and 7,288.12

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Solution

The fourth proportional to 11,263.60, 15,538.26 and 7,288.12 is: 10,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,263.60 : 15,538.26 = 7,288.12 : x
  2. Step 2: Convert to fraction form
    11,263.60/15,538.26 = 7,288.12/x
  3. Step 3: Cross multiply
    11,263.60x = 15,538.26 × 7,288.12
  4. Step 4: Simplify right side
    11,263.60x = 113,244,703.47
  5. Step 5: Solve for x
    x = 113,244,703.47/11,263.60
  6. Step 6: Final answer
    x = 10,054.04

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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.