Home / 21,363.40-32,050.14-8,216.20

Finding the Fourth Proportional to 21,363.40, 32,050.14 and 8,216.20

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Solution

The fourth proportional to 21,363.40, 32,050.14 and 8,216.20 is: 12,326.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,363.40 : 32,050.14 = 8,216.20 : x
  2. Step 2: Convert to fraction form
    21,363.40/32,050.14 = 8,216.20/x
  3. Step 3: Cross multiply
    21,363.40x = 32,050.14 × 8,216.20
  4. Step 4: Simplify right side
    21,363.40x = 263,330,360.27
  5. Step 5: Solve for x
    x = 263,330,360.27/21,363.40
  6. Step 6: Final answer
    x = 12,326.24

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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.