Home / 21,370.08-32,059.80-8,228.64

Finding the Fourth Proportional to 21,370.08, 32,059.80 and 8,228.64

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Solution

The fourth proportional to 21,370.08, 32,059.80 and 8,228.64 is: 12,344.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,370.08 : 32,059.80 = 8,228.64 : x
  2. Step 2: Convert to fraction form
    21,370.08/32,059.80 = 8,228.64/x
  3. Step 3: Cross multiply
    21,370.08x = 32,059.80 × 8,228.64
  4. Step 4: Simplify right side
    21,370.08x = 263,808,552.67
  5. Step 5: Solve for x
    x = 263,808,552.67/21,370.08
  6. Step 6: Final answer
    x = 12,344.76

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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.