Home / 18,910.13-26,097.59-10,528.25

Finding the Fourth Proportional to 18,910.13, 26,097.59 and 10,528.25

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Solution

The fourth proportional to 18,910.13, 26,097.59 and 10,528.25 is: 14,529.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,910.13 : 26,097.59 = 10,528.25 : x
  2. Step 2: Convert to fraction form
    18,910.13/26,097.59 = 10,528.25/x
  3. Step 3: Cross multiply
    18,910.13x = 26,097.59 × 10,528.25
  4. Step 4: Simplify right side
    18,910.13x = 274,761,847.75
  5. Step 5: Solve for x
    x = 274,761,847.75/18,910.13
  6. Step 6: Final answer
    x = 14,529.88

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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.