Home / 14,157.89-21,235.73-4,297.22

Finding the Fourth Proportional to 14,157.89, 21,235.73 and 4,297.22

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Solution

The fourth proportional to 14,157.89, 21,235.73 and 4,297.22 is: 6,445.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.89 : 21,235.73 = 4,297.22 : x
  2. Step 2: Convert to fraction form
    14,157.89/21,235.73 = 4,297.22/x
  3. Step 3: Cross multiply
    14,157.89x = 21,235.73 × 4,297.22
  4. Step 4: Simplify right side
    14,157.89x = 91,254,476.01
  5. Step 5: Solve for x
    x = 91,254,476.01/14,157.89
  6. Step 6: Final answer
    x = 6,445.49

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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.