Home / 14,109.02-21,165.96-4,247.36

Finding the Fourth Proportional to 14,109.02, 21,165.96 and 4,247.36

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Solution

The fourth proportional to 14,109.02, 21,165.96 and 4,247.36 is: 6,371.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,109.02 : 21,165.96 = 4,247.36 : x
  2. Step 2: Convert to fraction form
    14,109.02/21,165.96 = 4,247.36/x
  3. Step 3: Cross multiply
    14,109.02x = 21,165.96 × 4,247.36
  4. Step 4: Simplify right side
    14,109.02x = 89,899,451.87
  5. Step 5: Solve for x
    x = 89,899,451.87/14,109.02
  6. Step 6: Final answer
    x = 6,371.77

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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.