Home / 13,068.14-18,034.20-7,099.90

Finding the Fourth Proportional to 13,068.14, 18,034.20 and 7,099.90

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Solution

The fourth proportional to 13,068.14, 18,034.20 and 7,099.90 is: 9,797.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.14 : 18,034.20 = 7,099.90 : x
  2. Step 2: Convert to fraction form
    13,068.14/18,034.20 = 7,099.90/x
  3. Step 3: Cross multiply
    13,068.14x = 18,034.20 × 7,099.90
  4. Step 4: Simplify right side
    13,068.14x = 128,041,016.58
  5. Step 5: Solve for x
    x = 128,041,016.58/13,068.14
  6. Step 6: Final answer
    x = 9,797.95

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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.