Home / 15,708.48-23,566.20-5,178.08

Finding the Fourth Proportional to 15,708.48, 23,566.20 and 5,178.08

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Solution

The fourth proportional to 15,708.48, 23,566.20 and 5,178.08 is: 7,768.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708.48 : 23,566.20 = 5,178.08 : x
  2. Step 2: Convert to fraction form
    15,708.48/23,566.20 = 5,178.08/x
  3. Step 3: Cross multiply
    15,708.48x = 23,566.20 × 5,178.08
  4. Step 4: Simplify right side
    15,708.48x = 122,027,668.90
  5. Step 5: Solve for x
    x = 122,027,668.90/15,708.48
  6. Step 6: Final answer
    x = 7,768.27

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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.