Home / 12,298.18-18,442.75-4,398.56

Finding the Fourth Proportional to 12,298.18, 18,442.75 and 4,398.56

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Solution

The fourth proportional to 12,298.18, 18,442.75 and 4,398.56 is: 6,596.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298.18 : 18,442.75 = 4,398.56 : x
  2. Step 2: Convert to fraction form
    12,298.18/18,442.75 = 4,398.56/x
  3. Step 3: Cross multiply
    12,298.18x = 18,442.75 × 4,398.56
  4. Step 4: Simplify right side
    12,298.18x = 81,121,439.23
  5. Step 5: Solve for x
    x = 81,121,439.23/12,298.18
  6. Step 6: Final answer
    x = 6,596.22

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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.