Home / 14,722.80-22,085.40-4,192.80

Finding the Fourth Proportional to 14,722.80, 22,085.40 and 4,192.80

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Solution

The fourth proportional to 14,722.80, 22,085.40 and 4,192.80 is: 6,289.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722.80 : 22,085.40 = 4,192.80 : x
  2. Step 2: Convert to fraction form
    14,722.80/22,085.40 = 4,192.80/x
  3. Step 3: Cross multiply
    14,722.80x = 22,085.40 × 4,192.80
  4. Step 4: Simplify right side
    14,722.80x = 92,599,665.12
  5. Step 5: Solve for x
    x = 92,599,665.12/14,722.80
  6. Step 6: Final answer
    x = 6,289.54

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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.