Home / 11,182.77-15,450.89-9,316.53

Finding the Fourth Proportional to 11,182.77, 15,450.89 and 9,316.53

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Solution

The fourth proportional to 11,182.77, 15,450.89 and 9,316.53 is: 12,872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.77 : 15,450.89 = 9,316.53 : x
  2. Step 2: Convert to fraction form
    11,182.77/15,450.89 = 9,316.53/x
  3. Step 3: Cross multiply
    11,182.77x = 15,450.89 × 9,316.53
  4. Step 4: Simplify right side
    11,182.77x = 143,948,633.63
  5. Step 5: Solve for x
    x = 143,948,633.63/11,182.77
  6. Step 6: Final answer
    x = 12,872.36

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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.