Home / 13,330.49-18,395.57-7,362.03

Finding the Fourth Proportional to 13,330.49, 18,395.57 and 7,362.03

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Solution

The fourth proportional to 13,330.49, 18,395.57 and 7,362.03 is: 10,159.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.49 : 18,395.57 = 7,362.03 : x
  2. Step 2: Convert to fraction form
    13,330.49/18,395.57 = 7,362.03/x
  3. Step 3: Cross multiply
    13,330.49x = 18,395.57 × 7,362.03
  4. Step 4: Simplify right side
    13,330.49x = 135,428,711.78
  5. Step 5: Solve for x
    x = 135,428,711.78/13,330.49
  6. Step 6: Final answer
    x = 10,159.32

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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.