Home / 11,490.04-15,855.27-6,453.85

Finding the Fourth Proportional to 11,490.04, 15,855.27 and 6,453.85

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Solution

The fourth proportional to 11,490.04, 15,855.27 and 6,453.85 is: 8,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.04 : 15,855.27 = 6,453.85 : x
  2. Step 2: Convert to fraction form
    11,490.04/15,855.27 = 6,453.85/x
  3. Step 3: Cross multiply
    11,490.04x = 15,855.27 × 6,453.85
  4. Step 4: Simplify right side
    11,490.04x = 102,327,534.29
  5. Step 5: Solve for x
    x = 102,327,534.29/11,490.04
  6. Step 6: Final answer
    x = 8,905.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.