Home / 13,853.80-20,776.29-4,491.62

Finding the Fourth Proportional to 13,853.80, 20,776.29 and 4,491.62

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Solution

The fourth proportional to 13,853.80, 20,776.29 and 4,491.62 is: 6,736.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853.80 : 20,776.29 = 4,491.62 : x
  2. Step 2: Convert to fraction form
    13,853.80/20,776.29 = 4,491.62/x
  3. Step 3: Cross multiply
    13,853.80x = 20,776.29 × 4,491.62
  4. Step 4: Simplify right side
    13,853.80x = 93,319,156.88
  5. Step 5: Solve for x
    x = 93,319,156.88/13,853.80
  6. Step 6: Final answer
    x = 6,736.00

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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.