Home / 18,715.80-25,828.44-10,759.68

Finding the Fourth Proportional to 18,715.80, 25,828.44 and 10,759.68

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Solution

The fourth proportional to 18,715.80, 25,828.44 and 10,759.68 is: 14,848.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715.80 : 25,828.44 = 10,759.68 : x
  2. Step 2: Convert to fraction form
    18,715.80/25,828.44 = 10,759.68/x
  3. Step 3: Cross multiply
    18,715.80x = 25,828.44 × 10,759.68
  4. Step 4: Simplify right side
    18,715.80x = 277,905,749.30
  5. Step 5: Solve for x
    x = 277,905,749.30/18,715.80
  6. Step 6: Final answer
    x = 14,848.72

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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.