Home / 13,618.08-20,398.41-6,228.76

Finding the Fourth Proportional to 13,618.08, 20,398.41 and 6,228.76

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Solution

The fourth proportional to 13,618.08, 20,398.41 and 6,228.76 is: 9,330.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,618.08 : 20,398.41 = 6,228.76 : x
  2. Step 2: Convert to fraction form
    13,618.08/20,398.41 = 6,228.76/x
  3. Step 3: Cross multiply
    13,618.08x = 20,398.41 × 6,228.76
  4. Step 4: Simplify right side
    13,618.08x = 127,056,800.27
  5. Step 5: Solve for x
    x = 127,056,800.27/13,618.08
  6. Step 6: Final answer
    x = 9,330.01

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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.