Home / 9,213.30-12,714.34-5,021.56

Finding the Fourth Proportional to 9,213.30, 12,714.34 and 5,021.56

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Solution

The fourth proportional to 9,213.30, 12,714.34 and 5,021.56 is: 6,929.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.30 : 12,714.34 = 5,021.56 : x
  2. Step 2: Convert to fraction form
    9,213.30/12,714.34 = 5,021.56/x
  3. Step 3: Cross multiply
    9,213.30x = 12,714.34 × 5,021.56
  4. Step 4: Simplify right side
    9,213.30x = 63,845,821.17
  5. Step 5: Solve for x
    x = 63,845,821.17/9,213.30
  6. Step 6: Final answer
    x = 6,929.75

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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.