Home / 20,924.78-31,386.77-6,133.37

Finding the Fourth Proportional to 20,924.78, 31,386.77 and 6,133.37

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Solution

The fourth proportional to 20,924.78, 31,386.77 and 6,133.37 is: 9,199.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,924.78 : 31,386.77 = 6,133.37 : x
  2. Step 2: Convert to fraction form
    20,924.78/31,386.77 = 6,133.37/x
  3. Step 3: Cross multiply
    20,924.78x = 31,386.77 × 6,133.37
  4. Step 4: Simplify right side
    20,924.78x = 192,506,668.21
  5. Step 5: Solve for x
    x = 192,506,668.21/20,924.78
  6. Step 6: Final answer
    x = 9,199.94

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