Home / 19,857.96-29,902.32-14,348.88

Finding the Fourth Proportional to 19,857.96, 29,902.32 and 14,348.88

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Solution

The fourth proportional to 19,857.96, 29,902.32 and 14,348.88 is: 21,606.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,857.96 : 29,902.32 = 14,348.88 : x
  2. Step 2: Convert to fraction form
    19,857.96/29,902.32 = 14,348.88/x
  3. Step 3: Cross multiply
    19,857.96x = 29,902.32 × 14,348.88
  4. Step 4: Simplify right side
    19,857.96x = 429,064,801.40
  5. Step 5: Solve for x
    x = 429,064,801.40/19,857.96
  6. Step 6: Final answer
    x = 21,606.69

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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.