Home / 22,909.49-31,615.05-13,956.99

Finding the Fourth Proportional to 22,909.49, 31,615.05 and 13,956.99

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Solution

The fourth proportional to 22,909.49, 31,615.05 and 13,956.99 is: 19,260.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,909.49 : 31,615.05 = 13,956.99 : x
  2. Step 2: Convert to fraction form
    22,909.49/31,615.05 = 13,956.99/x
  3. Step 3: Cross multiply
    22,909.49x = 31,615.05 × 13,956.99
  4. Step 4: Simplify right side
    22,909.49x = 441,250,708.84
  5. Step 5: Solve for x
    x = 441,250,708.84/22,909.49
  6. Step 6: Final answer
    x = 19,260.61

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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.