Home / 9,418.34-12,997.30-5,226.58

Finding the Fourth Proportional to 9,418.34, 12,997.30 and 5,226.58

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Solution

The fourth proportional to 9,418.34, 12,997.30 and 5,226.58 is: 7,212.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.34 : 12,997.30 = 5,226.58 : x
  2. Step 2: Convert to fraction form
    9,418.34/12,997.30 = 5,226.58/x
  3. Step 3: Cross multiply
    9,418.34x = 12,997.30 × 5,226.58
  4. Step 4: Simplify right side
    9,418.34x = 67,931,428.23
  5. Step 5: Solve for x
    x = 67,931,428.23/9,418.34
  6. Step 6: Final answer
    x = 7,212.68

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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.