Home / 10,886.68-16,335.48-4,317.64

Finding the Fourth Proportional to 10,886.68, 16,335.48 and 4,317.64

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Solution

The fourth proportional to 10,886.68, 16,335.48 and 4,317.64 is: 6,478.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.68 : 16,335.48 = 4,317.64 : x
  2. Step 2: Convert to fraction form
    10,886.68/16,335.48 = 4,317.64/x
  3. Step 3: Cross multiply
    10,886.68x = 16,335.48 × 4,317.64
  4. Step 4: Simplify right side
    10,886.68x = 70,530,721.87
  5. Step 5: Solve for x
    x = 70,530,721.87/10,886.68
  6. Step 6: Final answer
    x = 6,478.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.