Home / 11,272.57-15,541.96-7,232.25

Finding the Fourth Proportional to 11,272.57, 15,541.96 and 7,232.25

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Solution

The fourth proportional to 11,272.57, 15,541.96 and 7,232.25 is: 9,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.57 : 15,541.96 = 7,232.25 : x
  2. Step 2: Convert to fraction form
    11,272.57/15,541.96 = 7,232.25/x
  3. Step 3: Cross multiply
    11,272.57x = 15,541.96 × 7,232.25
  4. Step 4: Simplify right side
    11,272.57x = 112,403,340.21
  5. Step 5: Solve for x
    x = 112,403,340.21/11,272.57
  6. Step 6: Final answer
    x = 9,971.40

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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.