Home / 19,700.62-29,546.59-5,657.51

Finding the Fourth Proportional to 19,700.62, 29,546.59 and 5,657.51

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Solution

The fourth proportional to 19,700.62, 29,546.59 and 5,657.51 is: 8,485.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,700.62 : 29,546.59 = 5,657.51 : x
  2. Step 2: Convert to fraction form
    19,700.62/29,546.59 = 5,657.51/x
  3. Step 3: Cross multiply
    19,700.62x = 29,546.59 × 5,657.51
  4. Step 4: Simplify right side
    19,700.62x = 167,160,128.39
  5. Step 5: Solve for x
    x = 167,160,128.39/19,700.62
  6. Step 6: Final answer
    x = 8,485.02

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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.