Home / 19,984.62-29,994.22-7,681.26

Finding the Fourth Proportional to 19,984.62, 29,994.22 and 7,681.26

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Solution

The fourth proportional to 19,984.62, 29,994.22 and 7,681.26 is: 11,528.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,984.62 : 29,994.22 = 7,681.26 : x
  2. Step 2: Convert to fraction form
    19,984.62/29,994.22 = 7,681.26/x
  3. Step 3: Cross multiply
    19,984.62x = 29,994.22 × 7,681.26
  4. Step 4: Simplify right side
    19,984.62x = 230,393,402.32
  5. Step 5: Solve for x
    x = 230,393,402.32/19,984.62
  6. Step 6: Final answer
    x = 11,528.54

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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.