Home / 9,419.18-14,128.86-2,493.68

Finding the Fourth Proportional to 9,419.18, 14,128.86 and 2,493.68

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Solution

The fourth proportional to 9,419.18, 14,128.86 and 2,493.68 is: 3,740.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419.18 : 14,128.86 = 2,493.68 : x
  2. Step 2: Convert to fraction form
    9,419.18/14,128.86 = 2,493.68/x
  3. Step 3: Cross multiply
    9,419.18x = 14,128.86 × 2,493.68
  4. Step 4: Simplify right side
    9,419.18x = 35,232,855.60
  5. Step 5: Solve for x
    x = 35,232,855.60/9,419.18
  6. Step 6: Final answer
    x = 3,740.54

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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.