Home / 10,363.64-15,535.80-4,122.45

Finding the Fourth Proportional to 10,363.64, 15,535.80 and 4,122.45

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Solution

The fourth proportional to 10,363.64, 15,535.80 and 4,122.45 is: 6,179.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.64 : 15,535.80 = 4,122.45 : x
  2. Step 2: Convert to fraction form
    10,363.64/15,535.80 = 4,122.45/x
  3. Step 3: Cross multiply
    10,363.64x = 15,535.80 × 4,122.45
  4. Step 4: Simplify right side
    10,363.64x = 64,045,558.71
  5. Step 5: Solve for x
    x = 64,045,558.71/10,363.64
  6. Step 6: Final answer
    x = 6,179.84

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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.