Home / 12,094.50-16,690.71-6,789.20

Finding the Fourth Proportional to 12,094.50, 16,690.71 and 6,789.20

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Solution

The fourth proportional to 12,094.50, 16,690.71 and 6,789.20 is: 9,369.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,094.50 : 16,690.71 = 6,789.20 : x
  2. Step 2: Convert to fraction form
    12,094.50/16,690.71 = 6,789.20/x
  3. Step 3: Cross multiply
    12,094.50x = 16,690.71 × 6,789.20
  4. Step 4: Simplify right side
    12,094.50x = 113,316,484.88
  5. Step 5: Solve for x
    x = 113,316,484.88/12,094.50
  6. Step 6: Final answer
    x = 9,369.26

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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.