Home / 13,392.54-20,082.15-6,366.78

Finding the Fourth Proportional to 13,392.54, 20,082.15 and 6,366.78

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Solution

The fourth proportional to 13,392.54, 20,082.15 and 6,366.78 is: 9,547.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392.54 : 20,082.15 = 6,366.78 : x
  2. Step 2: Convert to fraction form
    13,392.54/20,082.15 = 6,366.78/x
  3. Step 3: Cross multiply
    13,392.54x = 20,082.15 × 6,366.78
  4. Step 4: Simplify right side
    13,392.54x = 127,858,630.98
  5. Step 5: Solve for x
    x = 127,858,630.98/13,392.54
  6. Step 6: Final answer
    x = 9,547.00

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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.