Home / 22,859.68-31,539.36-14,899

Finding the Fourth Proportional to 22,859.68, 31,539.36 and 14,899

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Solution

The fourth proportional to 22,859.68, 31,539.36 and 14,899 is: 20,556.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,859.68 : 31,539.36 = 14,899 : x
  2. Step 2: Convert to fraction form
    22,859.68/31,539.36 = 14,899/x
  3. Step 3: Cross multiply
    22,859.68x = 31,539.36 × 14,899
  4. Step 4: Simplify right side
    22,859.68x = 469,904,924.64
  5. Step 5: Solve for x
    x = 469,904,924.64/22,859.68
  6. Step 6: Final answer
    x = 20,556.06

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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.