Home / 20,580.08-30,860.93-6,537.51

Finding the Fourth Proportional to 20,580.08, 30,860.93 and 6,537.51

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Solution

The fourth proportional to 20,580.08, 30,860.93 and 6,537.51 is: 9,803.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,580.08 : 30,860.93 = 6,537.51 : x
  2. Step 2: Convert to fraction form
    20,580.08/30,860.93 = 6,537.51/x
  3. Step 3: Cross multiply
    20,580.08x = 30,860.93 × 6,537.51
  4. Step 4: Simplify right side
    20,580.08x = 201,753,654.83
  5. Step 5: Solve for x
    x = 201,753,654.83/20,580.08
  6. Step 6: Final answer
    x = 9,803.35

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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.