Home / 11,856.38-16,360.38-6,550.47

Finding the Fourth Proportional to 11,856.38, 16,360.38 and 6,550.47

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Solution

The fourth proportional to 11,856.38, 16,360.38 and 6,550.47 is: 9,038.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856.38 : 16,360.38 = 6,550.47 : x
  2. Step 2: Convert to fraction form
    11,856.38/16,360.38 = 6,550.47/x
  3. Step 3: Cross multiply
    11,856.38x = 16,360.38 × 6,550.47
  4. Step 4: Simplify right side
    11,856.38x = 107,168,178.38
  5. Step 5: Solve for x
    x = 107,168,178.38/11,856.38
  6. Step 6: Final answer
    x = 9,038.87

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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.