Home / 10,115.63-13,961.81-6,572.69

Finding the Fourth Proportional to 10,115.63, 13,961.81 and 6,572.69

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Solution

The fourth proportional to 10,115.63, 13,961.81 and 6,572.69 is: 9,071.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115.63 : 13,961.81 = 6,572.69 : x
  2. Step 2: Convert to fraction form
    10,115.63/13,961.81 = 6,572.69/x
  3. Step 3: Cross multiply
    10,115.63x = 13,961.81 × 6,572.69
  4. Step 4: Simplify right side
    10,115.63x = 91,766,616.11
  5. Step 5: Solve for x
    x = 91,766,616.11/10,115.63
  6. Step 6: Final answer
    x = 9,071.76

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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.