Home / 12,861.63-19,293.20-4,964.19

Finding the Fourth Proportional to 12,861.63, 19,293.20 and 4,964.19

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Solution

The fourth proportional to 12,861.63, 19,293.20 and 4,964.19 is: 7,446.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861.63 : 19,293.20 = 4,964.19 : x
  2. Step 2: Convert to fraction form
    12,861.63/19,293.20 = 4,964.19/x
  3. Step 3: Cross multiply
    12,861.63x = 19,293.20 × 4,964.19
  4. Step 4: Simplify right side
    12,861.63x = 95,775,113.61
  5. Step 5: Solve for x
    x = 95,775,113.61/12,861.63
  6. Step 6: Final answer
    x = 7,446.57

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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.