Home / 21,355.48-29,471.03-11,924.02

Finding the Fourth Proportional to 21,355.48, 29,471.03 and 11,924.02

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Solution

The fourth proportional to 21,355.48, 29,471.03 and 11,924.02 is: 16,455.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,355.48 : 29,471.03 = 11,924.02 : x
  2. Step 2: Convert to fraction form
    21,355.48/29,471.03 = 11,924.02/x
  3. Step 3: Cross multiply
    21,355.48x = 29,471.03 × 11,924.02
  4. Step 4: Simplify right side
    21,355.48x = 351,413,151.14
  5. Step 5: Solve for x
    x = 351,413,151.14/21,355.48
  6. Step 6: Final answer
    x = 16,455.41

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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.