Home / 13,188.08-19,790.08-6,952.70

Finding the Fourth Proportional to 13,188.08, 19,790.08 and 6,952.70

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Solution

The fourth proportional to 13,188.08, 19,790.08 and 6,952.70 is: 10,433.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188.08 : 19,790.08 = 6,952.70 : x
  2. Step 2: Convert to fraction form
    13,188.08/19,790.08 = 6,952.70/x
  3. Step 3: Cross multiply
    13,188.08x = 19,790.08 × 6,952.70
  4. Step 4: Simplify right side
    13,188.08x = 137,594,489.22
  5. Step 5: Solve for x
    x = 137,594,489.22/13,188.08
  6. Step 6: Final answer
    x = 10,433.25

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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.