Home / 10,396.34-14,345.25-6,418.73

Finding the Fourth Proportional to 10,396.34, 14,345.25 and 6,418.73

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Solution

The fourth proportional to 10,396.34, 14,345.25 and 6,418.73 is: 8,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,396.34 : 14,345.25 = 6,418.73 : x
  2. Step 2: Convert to fraction form
    10,396.34/14,345.25 = 6,418.73/x
  3. Step 3: Cross multiply
    10,396.34x = 14,345.25 × 6,418.73
  4. Step 4: Simplify right side
    10,396.34x = 92,078,214.81
  5. Step 5: Solve for x
    x = 92,078,214.81/10,396.34
  6. Step 6: Final answer
    x = 8,856.80

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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.