Home / 11,282.36-15,677.03-11,160.68

Finding the Fourth Proportional to 11,282.36, 15,677.03 and 11,160.68

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Solution

The fourth proportional to 11,282.36, 15,677.03 and 11,160.68 is: 15,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,282.36 : 15,677.03 = 11,160.68 : x
  2. Step 2: Convert to fraction form
    11,282.36/15,677.03 = 11,160.68/x
  3. Step 3: Cross multiply
    11,282.36x = 15,677.03 × 11,160.68
  4. Step 4: Simplify right side
    11,282.36x = 174,966,315.18
  5. Step 5: Solve for x
    x = 174,966,315.18/11,282.36
  6. Step 6: Final answer
    x = 15,507.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.