Home / 10,286.08-15,434.58-4,442.20

Finding the Fourth Proportional to 10,286.08, 15,434.58 and 4,442.20

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Solution

The fourth proportional to 10,286.08, 15,434.58 and 4,442.20 is: 6,665.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.08 : 15,434.58 = 4,442.20 : x
  2. Step 2: Convert to fraction form
    10,286.08/15,434.58 = 4,442.20/x
  3. Step 3: Cross multiply
    10,286.08x = 15,434.58 × 4,442.20
  4. Step 4: Simplify right side
    10,286.08x = 68,563,491.28
  5. Step 5: Solve for x
    x = 68,563,491.28/10,286.08
  6. Step 6: Final answer
    x = 6,665.66

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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.