Home / 13,056.84-19,578.68-6,393.86

Finding the Fourth Proportional to 13,056.84, 19,578.68 and 6,393.86

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Solution

The fourth proportional to 13,056.84, 19,578.68 and 6,393.86 is: 9,587.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.84 : 19,578.68 = 6,393.86 : x
  2. Step 2: Convert to fraction form
    13,056.84/19,578.68 = 6,393.86/x
  3. Step 3: Cross multiply
    13,056.84x = 19,578.68 × 6,393.86
  4. Step 4: Simplify right side
    13,056.84x = 125,183,338.90
  5. Step 5: Solve for x
    x = 125,183,338.90/13,056.84
  6. Step 6: Final answer
    x = 9,587.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.