Home / 19,921.42-29,882.04-7,444.58

Finding the Fourth Proportional to 19,921.42, 29,882.04 and 7,444.58

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Solution

The fourth proportional to 19,921.42, 29,882.04 and 7,444.58 is: 11,166.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,921.42 : 29,882.04 = 7,444.58 : x
  2. Step 2: Convert to fraction form
    19,921.42/29,882.04 = 7,444.58/x
  3. Step 3: Cross multiply
    19,921.42x = 29,882.04 × 7,444.58
  4. Step 4: Simplify right side
    19,921.42x = 222,459,237.34
  5. Step 5: Solve for x
    x = 222,459,237.34/19,921.42
  6. Step 6: Final answer
    x = 11,166.84

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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.