Home / 14,782.49-22,173.90-4,921.75

Finding the Fourth Proportional to 14,782.49, 22,173.90 and 4,921.75

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Solution

The fourth proportional to 14,782.49, 22,173.90 and 4,921.75 is: 7,382.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,782.49 : 22,173.90 = 4,921.75 : x
  2. Step 2: Convert to fraction form
    14,782.49/22,173.90 = 4,921.75/x
  3. Step 3: Cross multiply
    14,782.49x = 22,173.90 × 4,921.75
  4. Step 4: Simplify right side
    14,782.49x = 109,134,392.33
  5. Step 5: Solve for x
    x = 109,134,392.33/14,782.49
  6. Step 6: Final answer
    x = 7,382.68

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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.