Home / 16,886.28-25,313.92-6,490.20

Finding the Fourth Proportional to 16,886.28, 25,313.92 and 6,490.20

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Solution

The fourth proportional to 16,886.28, 25,313.92 and 6,490.20 is: 9,729.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.28 : 25,313.92 = 6,490.20 : x
  2. Step 2: Convert to fraction form
    16,886.28/25,313.92 = 6,490.20/x
  3. Step 3: Cross multiply
    16,886.28x = 25,313.92 × 6,490.20
  4. Step 4: Simplify right side
    16,886.28x = 164,292,403.58
  5. Step 5: Solve for x
    x = 164,292,403.58/16,886.28
  6. Step 6: Final answer
    x = 9,729.34

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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.