Home / 9,419.14-14,127.78-5,720.38

Finding the Fourth Proportional to 9,419.14, 14,127.78 and 5,720.38

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Solution

The fourth proportional to 9,419.14, 14,127.78 and 5,720.38 is: 8,580.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419.14 : 14,127.78 = 5,720.38 : x
  2. Step 2: Convert to fraction form
    9,419.14/14,127.78 = 5,720.38/x
  3. Step 3: Cross multiply
    9,419.14x = 14,127.78 × 5,720.38
  4. Step 4: Simplify right side
    9,419.14x = 80,816,270.16
  5. Step 5: Solve for x
    x = 80,816,270.16/9,419.14
  6. Step 6: Final answer
    x = 8,580.01

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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.