Home / 11,223.55-15,488.38-6,187.65

Finding the Fourth Proportional to 11,223.55, 15,488.38 and 6,187.65

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Solution

The fourth proportional to 11,223.55, 15,488.38 and 6,187.65 is: 8,538.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.55 : 15,488.38 = 6,187.65 : x
  2. Step 2: Convert to fraction form
    11,223.55/15,488.38 = 6,187.65/x
  3. Step 3: Cross multiply
    11,223.55x = 15,488.38 × 6,187.65
  4. Step 4: Simplify right side
    11,223.55x = 95,836,674.51
  5. Step 5: Solve for x
    x = 95,836,674.51/11,223.55
  6. Step 6: Final answer
    x = 8,538.89

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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.