Home / 13,274.49-18,318.69-7,533.05

Finding the Fourth Proportional to 13,274.49, 18,318.69 and 7,533.05

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Solution

The fourth proportional to 13,274.49, 18,318.69 and 7,533.05 is: 10,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.49 : 18,318.69 = 7,533.05 : x
  2. Step 2: Convert to fraction form
    13,274.49/18,318.69 = 7,533.05/x
  3. Step 3: Cross multiply
    13,274.49x = 18,318.69 × 7,533.05
  4. Step 4: Simplify right side
    13,274.49x = 137,995,516.11
  5. Step 5: Solve for x
    x = 137,995,516.11/13,274.49
  6. Step 6: Final answer
    x = 10,395.54

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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.