Home / 12,010.78-16,572.90-6,704.74

Finding the Fourth Proportional to 12,010.78, 16,572.90 and 6,704.74

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Solution

The fourth proportional to 12,010.78, 16,572.90 and 6,704.74 is: 9,251.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010.78 : 16,572.90 = 6,704.74 : x
  2. Step 2: Convert to fraction form
    12,010.78/16,572.90 = 6,704.74/x
  3. Step 3: Cross multiply
    12,010.78x = 16,572.90 × 6,704.74
  4. Step 4: Simplify right side
    12,010.78x = 111,116,985.55
  5. Step 5: Solve for x
    x = 111,116,985.55/12,010.78
  6. Step 6: Final answer
    x = 9,251.44

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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.