Home / 34,341.84-51,512.64-12,156.48

Finding the Fourth Proportional to 34,341.84, 51,512.64 and 12,156.48

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Solution

The fourth proportional to 34,341.84, 51,512.64 and 12,156.48 is: 18,234.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,341.84 : 51,512.64 = 12,156.48 : x
  2. Step 2: Convert to fraction form
    34,341.84/51,512.64 = 12,156.48/x
  3. Step 3: Cross multiply
    34,341.84x = 51,512.64 × 12,156.48
  4. Step 4: Simplify right side
    34,341.84x = 626,212,377.91
  5. Step 5: Solve for x
    x = 626,212,377.91/34,341.84
  6. Step 6: Final answer
    x = 18,234.68

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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.