Home / 13,099.41-18,077.59-9,277.90

Finding the Fourth Proportional to 13,099.41, 18,077.59 and 9,277.90

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Solution

The fourth proportional to 13,099.41, 18,077.59 and 9,277.90 is: 12,803.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.41 : 18,077.59 = 9,277.90 : x
  2. Step 2: Convert to fraction form
    13,099.41/18,077.59 = 9,277.90/x
  3. Step 3: Cross multiply
    13,099.41x = 18,077.59 × 9,277.90
  4. Step 4: Simplify right side
    13,099.41x = 167,722,063.41
  5. Step 5: Solve for x
    x = 167,722,063.41/13,099.41
  6. Step 6: Final answer
    x = 12,803.78

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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.