Home / 19,805.78-29,708.71-14,813.35

Finding the Fourth Proportional to 19,805.78, 29,708.71 and 14,813.35

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Solution

The fourth proportional to 19,805.78, 29,708.71 and 14,813.35 is: 22,220.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,805.78 : 29,708.71 = 14,813.35 : x
  2. Step 2: Convert to fraction form
    19,805.78/29,708.71 = 14,813.35/x
  3. Step 3: Cross multiply
    19,805.78x = 29,708.71 × 14,813.35
  4. Step 4: Simplify right side
    19,805.78x = 440,085,407.97
  5. Step 5: Solve for x
    x = 440,085,407.97/19,805.78
  6. Step 6: Final answer
    x = 22,220.05

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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.