Home / 23,421.18-35,124.54-12,321.84

Finding the Fourth Proportional to 23,421.18, 35,124.54 and 12,321.84

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Solution

The fourth proportional to 23,421.18, 35,124.54 and 12,321.84 is: 18,478.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,421.18 : 35,124.54 = 12,321.84 : x
  2. Step 2: Convert to fraction form
    23,421.18/35,124.54 = 12,321.84/x
  3. Step 3: Cross multiply
    23,421.18x = 35,124.54 × 12,321.84
  4. Step 4: Simplify right side
    23,421.18x = 432,798,961.95
  5. Step 5: Solve for x
    x = 432,798,961.95/23,421.18
  6. Step 6: Final answer
    x = 18,478.96

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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.