Home / 14,750.63-22,131.20-6,856.91

Finding the Fourth Proportional to 14,750.63, 22,131.20 and 6,856.91

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Solution

The fourth proportional to 14,750.63, 22,131.20 and 6,856.91 is: 10,287.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,750.63 : 22,131.20 = 6,856.91 : x
  2. Step 2: Convert to fraction form
    14,750.63/22,131.20 = 6,856.91/x
  3. Step 3: Cross multiply
    14,750.63x = 22,131.20 × 6,856.91
  4. Step 4: Simplify right side
    14,750.63x = 151,751,553.08
  5. Step 5: Solve for x
    x = 151,751,553.08/14,750.63
  6. Step 6: Final answer
    x = 10,287.80

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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.