Home / 15,708.05-23,564.96-5,178.69

Finding the Fourth Proportional to 15,708.05, 23,564.96 and 5,178.69

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Solution

The fourth proportional to 15,708.05, 23,564.96 and 5,178.69 is: 7,768.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708.05 : 23,564.96 = 5,178.69 : x
  2. Step 2: Convert to fraction form
    15,708.05/23,564.96 = 5,178.69/x
  3. Step 3: Cross multiply
    15,708.05x = 23,564.96 × 5,178.69
  4. Step 4: Simplify right side
    15,708.05x = 122,035,622.70
  5. Step 5: Solve for x
    x = 122,035,622.70/15,708.05
  6. Step 6: Final answer
    x = 7,768.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.