Home / 12,370.72-18,555.60-5,349.76

Finding the Fourth Proportional to 12,370.72, 18,555.60 and 5,349.76

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Solution

The fourth proportional to 12,370.72, 18,555.60 and 5,349.76 is: 8,024.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.72 : 18,555.60 = 5,349.76 : x
  2. Step 2: Convert to fraction form
    12,370.72/18,555.60 = 5,349.76/x
  3. Step 3: Cross multiply
    12,370.72x = 18,555.60 × 5,349.76
  4. Step 4: Simplify right side
    12,370.72x = 99,268,006.66
  5. Step 5: Solve for x
    x = 99,268,006.66/12,370.72
  6. Step 6: Final answer
    x = 8,024.43

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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.