Home / 14,128.04-21,169.02-7,193

Finding the Fourth Proportional to 14,128.04, 21,169.02 and 7,193

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Solution

The fourth proportional to 14,128.04, 21,169.02 and 7,193 is: 10,777.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128.04 : 21,169.02 = 7,193 : x
  2. Step 2: Convert to fraction form
    14,128.04/21,169.02 = 7,193/x
  3. Step 3: Cross multiply
    14,128.04x = 21,169.02 × 7,193
  4. Step 4: Simplify right side
    14,128.04x = 152,268,760.86
  5. Step 5: Solve for x
    x = 152,268,760.86/14,128.04
  6. Step 6: Final answer
    x = 10,777.77

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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.