Home / 20,684.03-31,038.80-9,588.65

Finding the Fourth Proportional to 20,684.03, 31,038.80 and 9,588.65

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Solution

The fourth proportional to 20,684.03, 31,038.80 and 9,588.65 is: 14,388.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,684.03 : 31,038.80 = 9,588.65 : x
  2. Step 2: Convert to fraction form
    20,684.03/31,038.80 = 9,588.65/x
  3. Step 3: Cross multiply
    20,684.03x = 31,038.80 × 9,588.65
  4. Step 4: Simplify right side
    20,684.03x = 297,619,986.48
  5. Step 5: Solve for x
    x = 297,619,986.48/20,684.03
  6. Step 6: Final answer
    x = 14,388.88

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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.