Home / 11,222.61-15,487.15-6,187.05

Finding the Fourth Proportional to 11,222.61, 15,487.15 and 6,187.05

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Solution

The fourth proportional to 11,222.61, 15,487.15 and 6,187.05 is: 8,538.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.61 : 15,487.15 = 6,187.05 : x
  2. Step 2: Convert to fraction form
    11,222.61/15,487.15 = 6,187.05/x
  3. Step 3: Cross multiply
    11,222.61x = 15,487.15 × 6,187.05
  4. Step 4: Simplify right side
    11,222.61x = 95,819,702.20
  5. Step 5: Solve for x
    x = 95,819,702.20/11,222.61
  6. Step 6: Final answer
    x = 8,538.09

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Double scale
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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.