Home / 13,395.29-18,484.49-7,344.56

Finding the Fourth Proportional to 13,395.29, 18,484.49 and 7,344.56

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Solution

The fourth proportional to 13,395.29, 18,484.49 and 7,344.56 is: 10,134.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395.29 : 18,484.49 = 7,344.56 : x
  2. Step 2: Convert to fraction form
    13,395.29/18,484.49 = 7,344.56/x
  3. Step 3: Cross multiply
    13,395.29x = 18,484.49 × 7,344.56
  4. Step 4: Simplify right side
    13,395.29x = 135,760,510.45
  5. Step 5: Solve for x
    x = 135,760,510.45/13,395.29
  6. Step 6: Final answer
    x = 10,134.95

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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.