Home / 21,756.76-32,634.60-6,174.40

Finding the Fourth Proportional to 21,756.76, 32,634.60 and 6,174.40

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Solution

The fourth proportional to 21,756.76, 32,634.60 and 6,174.40 is: 9,261.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,756.76 : 32,634.60 = 6,174.40 : x
  2. Step 2: Convert to fraction form
    21,756.76/32,634.60 = 6,174.40/x
  3. Step 3: Cross multiply
    21,756.76x = 32,634.60 × 6,174.40
  4. Step 4: Simplify right side
    21,756.76x = 201,499,074.24
  5. Step 5: Solve for x
    x = 201,499,074.24/21,756.76
  6. Step 6: Final answer
    x = 9,261.45

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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.