Home / 9,512.52-13,122.84-6,156.42

Finding the Fourth Proportional to 9,512.52, 13,122.84 and 6,156.42

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Solution

The fourth proportional to 9,512.52, 13,122.84 and 6,156.42 is: 8,492.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,512.52 : 13,122.84 = 6,156.42 : x
  2. Step 2: Convert to fraction form
    9,512.52/13,122.84 = 6,156.42/x
  3. Step 3: Cross multiply
    9,512.52x = 13,122.84 × 6,156.42
  4. Step 4: Simplify right side
    9,512.52x = 80,789,714.63
  5. Step 5: Solve for x
    x = 80,789,714.63/9,512.52
  6. Step 6: Final answer
    x = 8,492.99

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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.