Home / 11,057.80-15,262.90-7,283.72

Finding the Fourth Proportional to 11,057.80, 15,262.90 and 7,283.72

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Solution

The fourth proportional to 11,057.80, 15,262.90 and 7,283.72 is: 10,053.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,057.80 : 15,262.90 = 7,283.72 : x
  2. Step 2: Convert to fraction form
    11,057.80/15,262.90 = 7,283.72/x
  3. Step 3: Cross multiply
    11,057.80x = 15,262.90 × 7,283.72
  4. Step 4: Simplify right side
    11,057.80x = 111,170,689.99
  5. Step 5: Solve for x
    x = 111,170,689.99/11,057.80
  6. Step 6: Final answer
    x = 10,053.60

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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.