Home / 13,240.28-19,839.68-4,918.29

Finding the Fourth Proportional to 13,240.28, 19,839.68 and 4,918.29

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Solution

The fourth proportional to 13,240.28, 19,839.68 and 4,918.29 is: 7,369.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.28 : 19,839.68 = 4,918.29 : x
  2. Step 2: Convert to fraction form
    13,240.28/19,839.68 = 4,918.29/x
  3. Step 3: Cross multiply
    13,240.28x = 19,839.68 × 4,918.29
  4. Step 4: Simplify right side
    13,240.28x = 97,577,275.16
  5. Step 5: Solve for x
    x = 97,577,275.16/13,240.28
  6. Step 6: Final answer
    x = 7,369.73

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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.