Home / 21,483.45-32,236.92-8,336.34

Finding the Fourth Proportional to 21,483.45, 32,236.92 and 8,336.34

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Solution

The fourth proportional to 21,483.45, 32,236.92 and 8,336.34 is: 12,509.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,483.45 : 32,236.92 = 8,336.34 : x
  2. Step 2: Convert to fraction form
    21,483.45/32,236.92 = 8,336.34/x
  3. Step 3: Cross multiply
    21,483.45x = 32,236.92 × 8,336.34
  4. Step 4: Simplify right side
    21,483.45x = 268,737,925.67
  5. Step 5: Solve for x
    x = 268,737,925.67/21,483.45
  6. Step 6: Final answer
    x = 12,509.07

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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.