Home / 11,155.50-15,394.60-6,187.50

Finding the Fourth Proportional to 11,155.50, 15,394.60 and 6,187.50

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Solution

The fourth proportional to 11,155.50, 15,394.60 and 6,187.50 is: 8,538.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.50 : 15,394.60 = 6,187.50 : x
  2. Step 2: Convert to fraction form
    11,155.50/15,394.60 = 6,187.50/x
  3. Step 3: Cross multiply
    11,155.50x = 15,394.60 × 6,187.50
  4. Step 4: Simplify right side
    11,155.50x = 95,254,087.50
  5. Step 5: Solve for x
    x = 95,254,087.50/11,155.50
  6. Step 6: Final answer
    x = 8,538.76

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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.