Home / 21,097.41-29,138.33-14,371.35

Finding the Fourth Proportional to 21,097.41, 29,138.33 and 14,371.35

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Solution

The fourth proportional to 21,097.41, 29,138.33 and 14,371.35 is: 19,848.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,097.41 : 29,138.33 = 14,371.35 : x
  2. Step 2: Convert to fraction form
    21,097.41/29,138.33 = 14,371.35/x
  3. Step 3: Cross multiply
    21,097.41x = 29,138.33 × 14,371.35
  4. Step 4: Simplify right side
    21,097.41x = 418,757,066.99
  5. Step 5: Solve for x
    x = 418,757,066.99/21,097.41
  6. Step 6: Final answer
    x = 19,848.74

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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.