Home / 12,068.28-18,109.26-6,521.49

Finding the Fourth Proportional to 12,068.28, 18,109.26 and 6,521.49

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Solution

The fourth proportional to 12,068.28, 18,109.26 and 6,521.49 is: 9,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068.28 : 18,109.26 = 6,521.49 : x
  2. Step 2: Convert to fraction form
    12,068.28/18,109.26 = 6,521.49/x
  3. Step 3: Cross multiply
    12,068.28x = 18,109.26 × 6,521.49
  4. Step 4: Simplify right side
    12,068.28x = 118,099,358.00
  5. Step 5: Solve for x
    x = 118,099,358.00/12,068.28
  6. Step 6: Final answer
    x = 9,785.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.