Home / 11,089.65-16,628.20-3,690.10

Finding the Fourth Proportional to 11,089.65, 16,628.20 and 3,690.10

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Solution

The fourth proportional to 11,089.65, 16,628.20 and 3,690.10 is: 5,533.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.65 : 16,628.20 = 3,690.10 : x
  2. Step 2: Convert to fraction form
    11,089.65/16,628.20 = 3,690.10/x
  3. Step 3: Cross multiply
    11,089.65x = 16,628.20 × 3,690.10
  4. Step 4: Simplify right side
    11,089.65x = 61,359,670.02
  5. Step 5: Solve for x
    x = 61,359,670.02/11,089.65
  6. Step 6: Final answer
    x = 5,533.06

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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.