Home / 14,115.02-21,155.92-5,790.92

Finding the Fourth Proportional to 14,115.02, 21,155.92 and 5,790.92

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Solution

The fourth proportional to 14,115.02, 21,155.92 and 5,790.92 is: 8,679.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.02 : 21,155.92 = 5,790.92 : x
  2. Step 2: Convert to fraction form
    14,115.02/21,155.92 = 5,790.92/x
  3. Step 3: Cross multiply
    14,115.02x = 21,155.92 × 5,790.92
  4. Step 4: Simplify right side
    14,115.02x = 122,512,119.99
  5. Step 5: Solve for x
    x = 122,512,119.99/14,115.02
  6. Step 6: Final answer
    x = 8,679.56

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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.