Home / 15,704.76-21,664.47-10,667.37

Finding the Fourth Proportional to 15,704.76, 21,664.47 and 10,667.37

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Solution

The fourth proportional to 15,704.76, 21,664.47 and 10,667.37 is: 14,715.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,704.76 : 21,664.47 = 10,667.37 : x
  2. Step 2: Convert to fraction form
    15,704.76/21,664.47 = 10,667.37/x
  3. Step 3: Cross multiply
    15,704.76x = 21,664.47 × 10,667.37
  4. Step 4: Simplify right side
    15,704.76x = 231,102,917.34
  5. Step 5: Solve for x
    x = 231,102,917.34/15,704.76
  6. Step 6: Final answer
    x = 14,715.47

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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.