Home / 12,002.79-16,564.17-6,698.64

Finding the Fourth Proportional to 12,002.79, 16,564.17 and 6,698.64

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Solution

The fourth proportional to 12,002.79, 16,564.17 and 6,698.64 is: 9,244.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,002.79 : 16,564.17 = 6,698.64 : x
  2. Step 2: Convert to fraction form
    12,002.79/16,564.17 = 6,698.64/x
  3. Step 3: Cross multiply
    12,002.79x = 16,564.17 × 6,698.64
  4. Step 4: Simplify right side
    12,002.79x = 110,957,411.73
  5. Step 5: Solve for x
    x = 110,957,411.73/12,002.79
  6. Step 6: Final answer
    x = 9,244.30

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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.