Home / 10,285.49-15,434.41-4,442.10

Finding the Fourth Proportional to 10,285.49, 15,434.41 and 4,442.10

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Solution

The fourth proportional to 10,285.49, 15,434.41 and 4,442.10 is: 6,665.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.49 : 15,434.41 = 4,442.10 : x
  2. Step 2: Convert to fraction form
    10,285.49/15,434.41 = 4,442.10/x
  3. Step 3: Cross multiply
    10,285.49x = 15,434.41 × 4,442.10
  4. Step 4: Simplify right side
    10,285.49x = 68,561,192.66
  5. Step 5: Solve for x
    x = 68,561,192.66/10,285.49
  6. Step 6: Final answer
    x = 6,665.82

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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.