Home / 20,355.12-30,544.02-10,994.94

Finding the Fourth Proportional to 20,355.12, 30,544.02 and 10,994.94

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Solution

The fourth proportional to 20,355.12, 30,544.02 and 10,994.94 is: 16,498.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,355.12 : 30,544.02 = 10,994.94 : x
  2. Step 2: Convert to fraction form
    20,355.12/30,544.02 = 10,994.94/x
  3. Step 3: Cross multiply
    20,355.12x = 30,544.02 × 10,994.94
  4. Step 4: Simplify right side
    20,355.12x = 335,829,667.26
  5. Step 5: Solve for x
    x = 335,829,667.26/20,355.12
  6. Step 6: Final answer
    x = 16,498.54

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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.