Home / 13,360.88-18,452.61-8,903.55

Finding the Fourth Proportional to 13,360.88, 18,452.61 and 8,903.55

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Solution

The fourth proportional to 13,360.88, 18,452.61 and 8,903.55 is: 12,296.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.88 : 18,452.61 = 8,903.55 : x
  2. Step 2: Convert to fraction form
    13,360.88/18,452.61 = 8,903.55/x
  3. Step 3: Cross multiply
    13,360.88x = 18,452.61 × 8,903.55
  4. Step 4: Simplify right side
    13,360.88x = 164,293,804.96
  5. Step 5: Solve for x
    x = 164,293,804.96/13,360.88
  6. Step 6: Final answer
    x = 12,296.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.