Home / 11,886.28-16,403.34-6,581.32

Finding the Fourth Proportional to 11,886.28, 16,403.34 and 6,581.32

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Solution

The fourth proportional to 11,886.28, 16,403.34 and 6,581.32 is: 9,082.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,886.28 : 16,403.34 = 6,581.32 : x
  2. Step 2: Convert to fraction form
    11,886.28/16,403.34 = 6,581.32/x
  3. Step 3: Cross multiply
    11,886.28x = 16,403.34 × 6,581.32
  4. Step 4: Simplify right side
    11,886.28x = 107,955,629.61
  5. Step 5: Solve for x
    x = 107,955,629.61/11,886.28
  6. Step 6: Final answer
    x = 9,082.37

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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.