Home / 19,786.55-29,677.07-4,994.56

Finding the Fourth Proportional to 19,786.55, 29,677.07 and 4,994.56

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Solution

The fourth proportional to 19,786.55, 29,677.07 and 4,994.56 is: 7,491.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.55 : 29,677.07 = 4,994.56 : x
  2. Step 2: Convert to fraction form
    19,786.55/29,677.07 = 4,994.56/x
  3. Step 3: Cross multiply
    19,786.55x = 29,677.07 × 4,994.56
  4. Step 4: Simplify right side
    19,786.55x = 148,223,928.23
  5. Step 5: Solve for x
    x = 148,223,928.23/19,786.55
  6. Step 6: Final answer
    x = 7,491.15

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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.