Home / 18,184.72-25,089.06-11,012.34

Finding the Fourth Proportional to 18,184.72, 25,089.06 and 11,012.34

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Solution

The fourth proportional to 18,184.72, 25,089.06 and 11,012.34 is: 15,193.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,184.72 : 25,089.06 = 11,012.34 : x
  2. Step 2: Convert to fraction form
    18,184.72/25,089.06 = 11,012.34/x
  3. Step 3: Cross multiply
    18,184.72x = 25,089.06 × 11,012.34
  4. Step 4: Simplify right side
    18,184.72x = 276,289,259.00
  5. Step 5: Solve for x
    x = 276,289,259.00/18,184.72
  6. Step 6: Final answer
    x = 15,193.48

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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.