Home / 11,299.72-15,591.40-6,263.72

Finding the Fourth Proportional to 11,299.72, 15,591.40 and 6,263.72

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Solution

The fourth proportional to 11,299.72, 15,591.40 and 6,263.72 is: 8,642.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,299.72 : 15,591.40 = 6,263.72 : x
  2. Step 2: Convert to fraction form
    11,299.72/15,591.40 = 6,263.72/x
  3. Step 3: Cross multiply
    11,299.72x = 15,591.40 × 6,263.72
  4. Step 4: Simplify right side
    11,299.72x = 97,660,164.01
  5. Step 5: Solve for x
    x = 97,660,164.01/11,299.72
  6. Step 6: Final answer
    x = 8,642.71

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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.