Home / 21,603.24-32,405.55-6,812.29

Finding the Fourth Proportional to 21,603.24, 32,405.55 and 6,812.29

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Solution

The fourth proportional to 21,603.24, 32,405.55 and 6,812.29 is: 10,218.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,603.24 : 32,405.55 = 6,812.29 : x
  2. Step 2: Convert to fraction form
    21,603.24/32,405.55 = 6,812.29/x
  3. Step 3: Cross multiply
    21,603.24x = 32,405.55 × 6,812.29
  4. Step 4: Simplify right side
    21,603.24x = 220,756,004.21
  5. Step 5: Solve for x
    x = 220,756,004.21/21,603.24
  6. Step 6: Final answer
    x = 10,218.65

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1.5x scale

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.