Home / 12,977.52-19,462.70-5,580.41

Finding the Fourth Proportional to 12,977.52, 19,462.70 and 5,580.41

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Solution

The fourth proportional to 12,977.52, 19,462.70 and 5,580.41 is: 8,369.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,977.52 : 19,462.70 = 5,580.41 : x
  2. Step 2: Convert to fraction form
    12,977.52/19,462.70 = 5,580.41/x
  3. Step 3: Cross multiply
    12,977.52x = 19,462.70 × 5,580.41
  4. Step 4: Simplify right side
    12,977.52x = 108,609,720.49
  5. Step 5: Solve for x
    x = 108,609,720.49/12,977.52
  6. Step 6: Final answer
    x = 8,369.07

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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.