Home / 11,250.63-15,518.67-6,775.79

Finding the Fourth Proportional to 11,250.63, 15,518.67 and 6,775.79

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Solution

The fourth proportional to 11,250.63, 15,518.67 and 6,775.79 is: 9,346.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,250.63 : 15,518.67 = 6,775.79 : x
  2. Step 2: Convert to fraction form
    11,250.63/15,518.67 = 6,775.79/x
  3. Step 3: Cross multiply
    11,250.63x = 15,518.67 × 6,775.79
  4. Step 4: Simplify right side
    11,250.63x = 105,151,171.41
  5. Step 5: Solve for x
    x = 105,151,171.41/11,250.63
  6. Step 6: Final answer
    x = 9,346.25

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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.