Home / 13,087.08-19,627.80-4,319.92

Finding the Fourth Proportional to 13,087.08, 19,627.80 and 4,319.92

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Solution

The fourth proportional to 13,087.08, 19,627.80 and 4,319.92 is: 6,478.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087.08 : 19,627.80 = 4,319.92 : x
  2. Step 2: Convert to fraction form
    13,087.08/19,627.80 = 4,319.92/x
  3. Step 3: Cross multiply
    13,087.08x = 19,627.80 × 4,319.92
  4. Step 4: Simplify right side
    13,087.08x = 84,790,525.78
  5. Step 5: Solve for x
    x = 84,790,525.78/13,087.08
  6. Step 6: Final answer
    x = 6,478.95

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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.