Home / 21,343.08-32,019.36-8,195.46

Finding the Fourth Proportional to 21,343.08, 32,019.36 and 8,195.46

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Solution

The fourth proportional to 21,343.08, 32,019.36 and 8,195.46 is: 12,295.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,343.08 : 32,019.36 = 8,195.46 : x
  2. Step 2: Convert to fraction form
    21,343.08/32,019.36 = 8,195.46/x
  3. Step 3: Cross multiply
    21,343.08x = 32,019.36 × 8,195.46
  4. Step 4: Simplify right side
    21,343.08x = 262,413,384.11
  5. Step 5: Solve for x
    x = 262,413,384.11/21,343.08
  6. Step 6: Final answer
    x = 12,295.01

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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.