Home / 11,451.54-17,178.93-3,658.53

Finding the Fourth Proportional to 11,451.54, 17,178.93 and 3,658.53

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Solution

The fourth proportional to 11,451.54, 17,178.93 and 3,658.53 is: 5,488.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.54 : 17,178.93 = 3,658.53 : x
  2. Step 2: Convert to fraction form
    11,451.54/17,178.93 = 3,658.53/x
  3. Step 3: Cross multiply
    11,451.54x = 17,178.93 × 3,658.53
  4. Step 4: Simplify right side
    11,451.54x = 62,849,630.77
  5. Step 5: Solve for x
    x = 62,849,630.77/11,451.54
  6. Step 6: Final answer
    x = 5,488.31

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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.