Home / 12,658.39-17,468.64-6,915.93

Finding the Fourth Proportional to 12,658.39, 17,468.64 and 6,915.93

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Solution

The fourth proportional to 12,658.39, 17,468.64 and 6,915.93 is: 9,544.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,658.39 : 17,468.64 = 6,915.93 : x
  2. Step 2: Convert to fraction form
    12,658.39/17,468.64 = 6,915.93/x
  3. Step 3: Cross multiply
    12,658.39x = 17,468.64 × 6,915.93
  4. Step 4: Simplify right side
    12,658.39x = 120,811,891.44
  5. Step 5: Solve for x
    x = 120,811,891.44/12,658.39
  6. Step 6: Final answer
    x = 9,544.02

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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.