Home / 14,164.91-21,247.37-6,746.88

Finding the Fourth Proportional to 14,164.91, 21,247.37 and 6,746.88

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Solution

The fourth proportional to 14,164.91, 21,247.37 and 6,746.88 is: 10,120.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,164.91 : 21,247.37 = 6,746.88 : x
  2. Step 2: Convert to fraction form
    14,164.91/21,247.37 = 6,746.88/x
  3. Step 3: Cross multiply
    14,164.91x = 21,247.37 × 6,746.88
  4. Step 4: Simplify right side
    14,164.91x = 143,353,367.36
  5. Step 5: Solve for x
    x = 143,353,367.36/14,164.91
  6. Step 6: Final answer
    x = 10,120.32

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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.