Home / 14,072.68-19,419.66-7,784.92

Finding the Fourth Proportional to 14,072.68, 19,419.66 and 7,784.92

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Solution

The fourth proportional to 14,072.68, 19,419.66 and 7,784.92 is: 10,742.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.68 : 19,419.66 = 7,784.92 : x
  2. Step 2: Convert to fraction form
    14,072.68/19,419.66 = 7,784.92/x
  3. Step 3: Cross multiply
    14,072.68x = 19,419.66 × 7,784.92
  4. Step 4: Simplify right side
    14,072.68x = 151,180,499.53
  5. Step 5: Solve for x
    x = 151,180,499.53/14,072.68
  6. Step 6: Final answer
    x = 10,742.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.