Home / 14,077.05-21,114.36-4,218.54

Finding the Fourth Proportional to 14,077.05, 21,114.36 and 4,218.54

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Solution

The fourth proportional to 14,077.05, 21,114.36 and 4,218.54 is: 6,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077.05 : 21,114.36 = 4,218.54 : x
  2. Step 2: Convert to fraction form
    14,077.05/21,114.36 = 4,218.54/x
  3. Step 3: Cross multiply
    14,077.05x = 21,114.36 × 4,218.54
  4. Step 4: Simplify right side
    14,077.05x = 89,071,772.23
  5. Step 5: Solve for x
    x = 89,071,772.23/14,077.05
  6. Step 6: Final answer
    x = 6,327.45

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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.