Home / 11,338.32-15,646.68-6,302.42

Finding the Fourth Proportional to 11,338.32, 15,646.68 and 6,302.42

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Solution

The fourth proportional to 11,338.32, 15,646.68 and 6,302.42 is: 8,697.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.32 : 15,646.68 = 6,302.42 : x
  2. Step 2: Convert to fraction form
    11,338.32/15,646.68 = 6,302.42/x
  3. Step 3: Cross multiply
    11,338.32x = 15,646.68 × 6,302.42
  4. Step 4: Simplify right side
    11,338.32x = 98,611,948.97
  5. Step 5: Solve for x
    x = 98,611,948.97/11,338.32
  6. Step 6: Final answer
    x = 8,697.23

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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.