Home / 18,557.32-27,838.78-5,410.60

Finding the Fourth Proportional to 18,557.32, 27,838.78 and 5,410.60

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Solution

The fourth proportional to 18,557.32, 27,838.78 and 5,410.60 is: 8,116.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,557.32 : 27,838.78 = 5,410.60 : x
  2. Step 2: Convert to fraction form
    18,557.32/27,838.78 = 5,410.60/x
  3. Step 3: Cross multiply
    18,557.32x = 27,838.78 × 5,410.60
  4. Step 4: Simplify right side
    18,557.32x = 150,624,503.07
  5. Step 5: Solve for x
    x = 150,624,503.07/18,557.32
  6. Step 6: Final answer
    x = 8,116.72

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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.