Home / 19,784.66-29,633.85-9,906.71

Finding the Fourth Proportional to 19,784.66, 29,633.85 and 9,906.71

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Solution

The fourth proportional to 19,784.66, 29,633.85 and 9,906.71 is: 14,838.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.66 : 29,633.85 = 9,906.71 : x
  2. Step 2: Convert to fraction form
    19,784.66/29,633.85 = 9,906.71/x
  3. Step 3: Cross multiply
    19,784.66x = 29,633.85 × 9,906.71
  4. Step 4: Simplify right side
    19,784.66x = 293,573,809.96
  5. Step 5: Solve for x
    x = 293,573,809.96/19,784.66
  6. Step 6: Final answer
    x = 14,838.46

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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.