Home / 13,658.42-20,474.67-4,888.82

Finding the Fourth Proportional to 13,658.42, 20,474.67 and 4,888.82

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Solution

The fourth proportional to 13,658.42, 20,474.67 and 4,888.82 is: 7,328.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,658.42 : 20,474.67 = 4,888.82 : x
  2. Step 2: Convert to fraction form
    13,658.42/20,474.67 = 4,888.82/x
  3. Step 3: Cross multiply
    13,658.42x = 20,474.67 × 4,888.82
  4. Step 4: Simplify right side
    13,658.42x = 100,096,976.19
  5. Step 5: Solve for x
    x = 100,096,976.19/13,658.42
  6. Step 6: Final answer
    x = 7,328.59

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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.