Home / 21,253.29-29,283.03-14,071.02

Finding the Fourth Proportional to 21,253.29, 29,283.03 and 14,071.02

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Solution

The fourth proportional to 21,253.29, 29,283.03 and 14,071.02 is: 19,387.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,253.29 : 29,283.03 = 14,071.02 : x
  2. Step 2: Convert to fraction form
    21,253.29/29,283.03 = 14,071.02/x
  3. Step 3: Cross multiply
    21,253.29x = 29,283.03 × 14,071.02
  4. Step 4: Simplify right side
    21,253.29x = 412,042,100.79
  5. Step 5: Solve for x
    x = 412,042,100.79/21,253.29
  6. Step 6: Final answer
    x = 19,387.21

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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.