Home / 19,977.62-29,958.63-7,490.84

Finding the Fourth Proportional to 19,977.62, 29,958.63 and 7,490.84

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Solution

The fourth proportional to 19,977.62, 29,958.63 and 7,490.84 is: 11,233.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,977.62 : 29,958.63 = 7,490.84 : x
  2. Step 2: Convert to fraction form
    19,977.62/29,958.63 = 7,490.84/x
  3. Step 3: Cross multiply
    19,977.62x = 29,958.63 × 7,490.84
  4. Step 4: Simplify right side
    19,977.62x = 224,415,154.16
  5. Step 5: Solve for x
    x = 224,415,154.16/19,977.62
  6. Step 6: Final answer
    x = 11,233.33

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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.