Home / 9,113.31-13,665.23-4,178.70

Finding the Fourth Proportional to 9,113.31, 13,665.23 and 4,178.70

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Solution

The fourth proportional to 9,113.31, 13,665.23 and 4,178.70 is: 6,265.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.31 : 13,665.23 = 4,178.70 : x
  2. Step 2: Convert to fraction form
    9,113.31/13,665.23 = 4,178.70/x
  3. Step 3: Cross multiply
    9,113.31x = 13,665.23 × 4,178.70
  4. Step 4: Simplify right side
    9,113.31x = 57,102,896.60
  5. Step 5: Solve for x
    x = 57,102,896.60/9,113.31
  6. Step 6: Final answer
    x = 6,265.88

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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.