Home / 13,330.91-18,395.72-7,362.53

Finding the Fourth Proportional to 13,330.91, 18,395.72 and 7,362.53

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Solution

The fourth proportional to 13,330.91, 18,395.72 and 7,362.53 is: 10,159.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.91 : 18,395.72 = 7,362.53 : x
  2. Step 2: Convert to fraction form
    13,330.91/18,395.72 = 7,362.53/x
  3. Step 3: Cross multiply
    13,330.91x = 18,395.72 × 7,362.53
  4. Step 4: Simplify right side
    13,330.91x = 135,439,040.37
  5. Step 5: Solve for x
    x = 135,439,040.37/13,330.91
  6. Step 6: Final answer
    x = 10,159.77

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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.