Home / 14,782.23-22,173.75-4,921.16

Finding the Fourth Proportional to 14,782.23, 22,173.75 and 4,921.16

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Solution

The fourth proportional to 14,782.23, 22,173.75 and 4,921.16 is: 7,381.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,782.23 : 22,173.75 = 4,921.16 : x
  2. Step 2: Convert to fraction form
    14,782.23/22,173.75 = 4,921.16/x
  3. Step 3: Cross multiply
    14,782.23x = 22,173.75 × 4,921.16
  4. Step 4: Simplify right side
    14,782.23x = 109,120,460.68
  5. Step 5: Solve for x
    x = 109,120,460.68/14,782.23
  6. Step 6: Final answer
    x = 7,381.87

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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.