Home / 11,089.47-15,305.58-7,110.48

Finding the Fourth Proportional to 11,089.47, 15,305.58 and 7,110.48

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Solution

The fourth proportional to 11,089.47, 15,305.58 and 7,110.48 is: 9,813.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.47 : 15,305.58 = 7,110.48 : x
  2. Step 2: Convert to fraction form
    11,089.47/15,305.58 = 7,110.48/x
  3. Step 3: Cross multiply
    11,089.47x = 15,305.58 × 7,110.48
  4. Step 4: Simplify right side
    11,089.47x = 108,830,020.48
  5. Step 5: Solve for x
    x = 108,830,020.48/11,089.47
  6. Step 6: Final answer
    x = 9,813.82

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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.