Home / 11,952.43-16,492.44-6,647.29

Finding the Fourth Proportional to 11,952.43, 16,492.44 and 6,647.29

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Solution

The fourth proportional to 11,952.43, 16,492.44 and 6,647.29 is: 9,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,952.43 : 16,492.44 = 6,647.29 : x
  2. Step 2: Convert to fraction form
    11,952.43/16,492.44 = 6,647.29/x
  3. Step 3: Cross multiply
    11,952.43x = 16,492.44 × 6,647.29
  4. Step 4: Simplify right side
    11,952.43x = 109,630,031.49
  5. Step 5: Solve for x
    x = 109,630,031.49/11,952.43
  6. Step 6: Final answer
    x = 9,172.20

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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.