Home / 34,340.96-51,511.57-12,154.34

Finding the Fourth Proportional to 34,340.96, 51,511.57 and 12,154.34

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Solution

The fourth proportional to 34,340.96, 51,511.57 and 12,154.34 is: 18,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,340.96 : 51,511.57 = 12,154.34 : x
  2. Step 2: Convert to fraction form
    34,340.96/51,511.57 = 12,154.34/x
  3. Step 3: Cross multiply
    34,340.96x = 51,511.57 × 12,154.34
  4. Step 4: Simplify right side
    34,340.96x = 626,088,878.16
  5. Step 5: Solve for x
    x = 626,088,878.16/34,340.96
  6. Step 6: Final answer
    x = 18,231.55

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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.