Home / 18,697.18-28,045.69-7,601.34

Finding the Fourth Proportional to 18,697.18, 28,045.69 and 7,601.34

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Solution

The fourth proportional to 18,697.18, 28,045.69 and 7,601.34 is: 11,401.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,697.18 : 28,045.69 = 7,601.34 : x
  2. Step 2: Convert to fraction form
    18,697.18/28,045.69 = 7,601.34/x
  3. Step 3: Cross multiply
    18,697.18x = 28,045.69 × 7,601.34
  4. Step 4: Simplify right side
    18,697.18x = 213,184,954.15
  5. Step 5: Solve for x
    x = 213,184,954.15/18,697.18
  6. Step 6: Final answer
    x = 11,401.98

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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.