Home / 10,340.43-15,571.46-7,439.01

Finding the Fourth Proportional to 10,340.43, 15,571.46 and 7,439.01

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Solution

The fourth proportional to 10,340.43, 15,571.46 and 7,439.01 is: 11,202.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340.43 : 15,571.46 = 7,439.01 : x
  2. Step 2: Convert to fraction form
    10,340.43/15,571.46 = 7,439.01/x
  3. Step 3: Cross multiply
    10,340.43x = 15,571.46 × 7,439.01
  4. Step 4: Simplify right side
    10,340.43x = 115,836,209.46
  5. Step 5: Solve for x
    x = 115,836,209.46/10,340.43
  6. Step 6: Final answer
    x = 11,202.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.