Home / 10,428.42-14,388.21-6,235.86

Finding the Fourth Proportional to 10,428.42, 14,388.21 and 6,235.86

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Solution

The fourth proportional to 10,428.42, 14,388.21 and 6,235.86 is: 8,603.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.42 : 14,388.21 = 6,235.86 : x
  2. Step 2: Convert to fraction form
    10,428.42/14,388.21 = 6,235.86/x
  3. Step 3: Cross multiply
    10,428.42x = 14,388.21 × 6,235.86
  4. Step 4: Simplify right side
    10,428.42x = 89,722,863.21
  5. Step 5: Solve for x
    x = 89,722,863.21/10,428.42
  6. Step 6: Final answer
    x = 8,603.69

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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.