Home / 19,737.72-27,238.41-10,785.60

Finding the Fourth Proportional to 19,737.72, 27,238.41 and 10,785.60

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Solution

The fourth proportional to 19,737.72, 27,238.41 and 10,785.60 is: 14,884.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,737.72 : 27,238.41 = 10,785.60 : x
  2. Step 2: Convert to fraction form
    19,737.72/27,238.41 = 10,785.60/x
  3. Step 3: Cross multiply
    19,737.72x = 27,238.41 × 10,785.60
  4. Step 4: Simplify right side
    19,737.72x = 293,782,594.90
  5. Step 5: Solve for x
    x = 293,782,594.90/19,737.72
  6. Step 6: Final answer
    x = 14,884.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.