Home / 15,740.52-23,495.62-13,872.23

Finding the Fourth Proportional to 15,740.52, 23,495.62 and 13,872.23

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Solution

The fourth proportional to 15,740.52, 23,495.62 and 13,872.23 is: 20,706.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,740.52 : 23,495.62 = 13,872.23 : x
  2. Step 2: Convert to fraction form
    15,740.52/23,495.62 = 13,872.23/x
  3. Step 3: Cross multiply
    15,740.52x = 23,495.62 × 13,872.23
  4. Step 4: Simplify right side
    15,740.52x = 325,936,644.63
  5. Step 5: Solve for x
    x = 325,936,644.63/15,740.52
  6. Step 6: Final answer
    x = 20,706.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.