Home / 19,142.04-28,697.24-8,057.18

Finding the Fourth Proportional to 19,142.04, 28,697.24 and 8,057.18

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Solution

The fourth proportional to 19,142.04, 28,697.24 and 8,057.18 is: 12,079.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.04 : 28,697.24 = 8,057.18 : x
  2. Step 2: Convert to fraction form
    19,142.04/28,697.24 = 8,057.18/x
  3. Step 3: Cross multiply
    19,142.04x = 28,697.24 × 8,057.18
  4. Step 4: Simplify right side
    19,142.04x = 231,218,828.18
  5. Step 5: Solve for x
    x = 231,218,828.18/19,142.04
  6. Step 6: Final answer
    x = 12,079.11

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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.