Home / 18,737.85-25,857.75-10,239.99

Finding the Fourth Proportional to 18,737.85, 25,857.75 and 10,239.99

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Solution

The fourth proportional to 18,737.85, 25,857.75 and 10,239.99 is: 14,130.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,737.85 : 25,857.75 = 10,239.99 : x
  2. Step 2: Convert to fraction form
    18,737.85/25,857.75 = 10,239.99/x
  3. Step 3: Cross multiply
    18,737.85x = 25,857.75 × 10,239.99
  4. Step 4: Simplify right side
    18,737.85x = 264,783,101.42
  5. Step 5: Solve for x
    x = 264,783,101.42/18,737.85
  6. Step 6: Final answer
    x = 14,130.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.