Home / 13,184.06-18,190.40-7,516.74

Finding the Fourth Proportional to 13,184.06, 18,190.40 and 7,516.74

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Solution

The fourth proportional to 13,184.06, 18,190.40 and 7,516.74 is: 10,371.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.06 : 18,190.40 = 7,516.74 : x
  2. Step 2: Convert to fraction form
    13,184.06/18,190.40 = 7,516.74/x
  3. Step 3: Cross multiply
    13,184.06x = 18,190.40 × 7,516.74
  4. Step 4: Simplify right side
    13,184.06x = 136,732,435.61
  5. Step 5: Solve for x
    x = 136,732,435.61/13,184.06
  6. Step 6: Final answer
    x = 10,371.04

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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.