Home / 21,010.18-29,001.36-14,296.10

Finding the Fourth Proportional to 21,010.18, 29,001.36 and 14,296.10

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Solution

The fourth proportional to 21,010.18, 29,001.36 and 14,296.10 is: 19,733.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,010.18 : 29,001.36 = 14,296.10 : x
  2. Step 2: Convert to fraction form
    21,010.18/29,001.36 = 14,296.10/x
  3. Step 3: Cross multiply
    21,010.18x = 29,001.36 × 14,296.10
  4. Step 4: Simplify right side
    21,010.18x = 414,606,342.70
  5. Step 5: Solve for x
    x = 414,606,342.70/21,010.18
  6. Step 6: Final answer
    x = 19,733.59

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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.