Home / 13,836.20-19,100.14-9,373.50

Finding the Fourth Proportional to 13,836.20, 19,100.14 and 9,373.50

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Solution

The fourth proportional to 13,836.20, 19,100.14 and 9,373.50 is: 12,939.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.20 : 19,100.14 = 9,373.50 : x
  2. Step 2: Convert to fraction form
    13,836.20/19,100.14 = 9,373.50/x
  3. Step 3: Cross multiply
    13,836.20x = 19,100.14 × 9,373.50
  4. Step 4: Simplify right side
    13,836.20x = 179,035,162.29
  5. Step 5: Solve for x
    x = 179,035,162.29/13,836.20
  6. Step 6: Final answer
    x = 12,939.62

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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.