Home / 13,264.60-19,899.20-6,601.56

Finding the Fourth Proportional to 13,264.60, 19,899.20 and 6,601.56

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Solution

The fourth proportional to 13,264.60, 19,899.20 and 6,601.56 is: 9,903.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,264.60 : 19,899.20 = 6,601.56 : x
  2. Step 2: Convert to fraction form
    13,264.60/19,899.20 = 6,601.56/x
  3. Step 3: Cross multiply
    13,264.60x = 19,899.20 × 6,601.56
  4. Step 4: Simplify right side
    13,264.60x = 131,365,762.75
  5. Step 5: Solve for x
    x = 131,365,762.75/13,264.60
  6. Step 6: Final answer
    x = 9,903.48

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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.