Home / 13,230.88-19,859.28-6,310.24

Finding the Fourth Proportional to 13,230.88, 19,859.28 and 6,310.24

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Solution

The fourth proportional to 13,230.88, 19,859.28 and 6,310.24 is: 9,471.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.88 : 19,859.28 = 6,310.24 : x
  2. Step 2: Convert to fraction form
    13,230.88/19,859.28 = 6,310.24/x
  3. Step 3: Cross multiply
    13,230.88x = 19,859.28 × 6,310.24
  4. Step 4: Simplify right side
    13,230.88x = 125,316,823.03
  5. Step 5: Solve for x
    x = 125,316,823.03/13,230.88
  6. Step 6: Final answer
    x = 9,471.54

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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.