Home / 21,460.49-29,611.86-14,301.09

Finding the Fourth Proportional to 21,460.49, 29,611.86 and 14,301.09

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Solution

The fourth proportional to 21,460.49, 29,611.86 and 14,301.09 is: 19,733.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,460.49 : 29,611.86 = 14,301.09 : x
  2. Step 2: Convert to fraction form
    21,460.49/29,611.86 = 14,301.09/x
  3. Step 3: Cross multiply
    21,460.49x = 29,611.86 × 14,301.09
  4. Step 4: Simplify right side
    21,460.49x = 423,481,901.74
  5. Step 5: Solve for x
    x = 423,481,901.74/21,460.49
  6. Step 6: Final answer
    x = 19,733.10

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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.