Home / 15,165.89-20,924.00-8,450.23

Finding the Fourth Proportional to 15,165.89, 20,924.00 and 8,450.23

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Solution

The fourth proportional to 15,165.89, 20,924.00 and 8,450.23 is: 11,658.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,165.89 : 20,924.00 = 8,450.23 : x
  2. Step 2: Convert to fraction form
    15,165.89/20,924.00 = 8,450.23/x
  3. Step 3: Cross multiply
    15,165.89x = 20,924.00 × 8,450.23
  4. Step 4: Simplify right side
    15,165.89x = 176,812,465.65
  5. Step 5: Solve for x
    x = 176,812,465.65/15,165.89
  6. Step 6: Final answer
    x = 11,658.56

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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.