Home / 21,460.84-29,632.74-13,910.76

Finding the Fourth Proportional to 21,460.84, 29,632.74 and 13,910.76

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Solution

The fourth proportional to 21,460.84, 29,632.74 and 13,910.76 is: 19,207.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,460.84 : 29,632.74 = 13,910.76 : x
  2. Step 2: Convert to fraction form
    21,460.84/29,632.74 = 13,910.76/x
  3. Step 3: Cross multiply
    21,460.84x = 29,632.74 × 13,910.76
  4. Step 4: Simplify right side
    21,460.84x = 412,213,934.28
  5. Step 5: Solve for x
    x = 412,213,934.28/21,460.84
  6. Step 6: Final answer
    x = 19,207.73

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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.