Home / 21,110.48-31,649.26-10,575.08

Finding the Fourth Proportional to 21,110.48, 31,649.26 and 10,575.08

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Solution

The fourth proportional to 21,110.48, 31,649.26 and 10,575.08 is: 15,854.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,110.48 : 31,649.26 = 10,575.08 : x
  2. Step 2: Convert to fraction form
    21,110.48/31,649.26 = 10,575.08/x
  3. Step 3: Cross multiply
    21,110.48x = 31,649.26 × 10,575.08
  4. Step 4: Simplify right side
    21,110.48x = 334,693,456.44
  5. Step 5: Solve for x
    x = 334,693,456.44/21,110.48
  6. Step 6: Final answer
    x = 15,854.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.