Home / 15,537.72-21,448.62-14,723.40

Finding the Fourth Proportional to 15,537.72, 21,448.62 and 14,723.40

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Solution

The fourth proportional to 15,537.72, 21,448.62 and 14,723.40 is: 20,324.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.72 : 21,448.62 = 14,723.40 : x
  2. Step 2: Convert to fraction form
    15,537.72/21,448.62 = 14,723.40/x
  3. Step 3: Cross multiply
    15,537.72x = 21,448.62 × 14,723.40
  4. Step 4: Simplify right side
    15,537.72x = 315,796,611.71
  5. Step 5: Solve for x
    x = 315,796,611.71/15,537.72
  6. Step 6: Final answer
    x = 20,324.51

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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.