Home / 14,112.02-21,151.05-5,220.26

Finding the Fourth Proportional to 14,112.02, 21,151.05 and 5,220.26

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Solution

The fourth proportional to 14,112.02, 21,151.05 and 5,220.26 is: 7,824.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.02 : 21,151.05 = 5,220.26 : x
  2. Step 2: Convert to fraction form
    14,112.02/21,151.05 = 5,220.26/x
  3. Step 3: Cross multiply
    14,112.02x = 21,151.05 × 5,220.26
  4. Step 4: Simplify right side
    14,112.02x = 110,413,980.27
  5. Step 5: Solve for x
    x = 110,413,980.27/14,112.02
  6. Step 6: Final answer
    x = 7,824.11

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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.