Home / 11,231.16-15,495.96-7,250.80

Finding the Fourth Proportional to 11,231.16, 15,495.96 and 7,250.80

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Solution

The fourth proportional to 11,231.16, 15,495.96 and 7,250.80 is: 10,004.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.16 : 15,495.96 = 7,250.80 : x
  2. Step 2: Convert to fraction form
    11,231.16/15,495.96 = 7,250.80/x
  3. Step 3: Cross multiply
    11,231.16x = 15,495.96 × 7,250.80
  4. Step 4: Simplify right side
    11,231.16x = 112,358,106.77
  5. Step 5: Solve for x
    x = 112,358,106.77/11,231.16
  6. Step 6: Final answer
    x = 10,004.14

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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.