Home / 14,128.02-21,194.26-4,266.07

Finding the Fourth Proportional to 14,128.02, 21,194.26 and 4,266.07

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Solution

The fourth proportional to 14,128.02, 21,194.26 and 4,266.07 is: 6,399.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128.02 : 21,194.26 = 4,266.07 : x
  2. Step 2: Convert to fraction form
    14,128.02/21,194.26 = 4,266.07/x
  3. Step 3: Cross multiply
    14,128.02x = 21,194.26 × 4,266.07
  4. Step 4: Simplify right side
    14,128.02x = 90,416,133.11
  5. Step 5: Solve for x
    x = 90,416,133.11/14,128.02
  6. Step 6: Final answer
    x = 6,399.77

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Double scale
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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.