Home / 12,187.28-16,818.44-6,598.28

Finding the Fourth Proportional to 12,187.28, 16,818.44 and 6,598.28

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Solution

The fourth proportional to 12,187.28, 16,818.44 and 6,598.28 is: 9,105.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187.28 : 16,818.44 = 6,598.28 : x
  2. Step 2: Convert to fraction form
    12,187.28/16,818.44 = 6,598.28/x
  3. Step 3: Cross multiply
    12,187.28x = 16,818.44 × 6,598.28
  4. Step 4: Simplify right side
    12,187.28x = 110,972,785.34
  5. Step 5: Solve for x
    x = 110,972,785.34/12,187.28
  6. Step 6: Final answer
    x = 9,105.62

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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.