Home / 18,142.02-27,200.25-7,039.35

Finding the Fourth Proportional to 18,142.02, 27,200.25 and 7,039.35

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Solution

The fourth proportional to 18,142.02, 27,200.25 and 7,039.35 is: 10,554.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142.02 : 27,200.25 = 7,039.35 : x
  2. Step 2: Convert to fraction form
    18,142.02/27,200.25 = 7,039.35/x
  3. Step 3: Cross multiply
    18,142.02x = 27,200.25 × 7,039.35
  4. Step 4: Simplify right side
    18,142.02x = 191,472,079.84
  5. Step 5: Solve for x
    x = 191,472,079.84/18,142.02
  6. Step 6: Final answer
    x = 10,554.07

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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.