Home / 13,193.64-18,202.02-7,603.56

Finding the Fourth Proportional to 13,193.64, 18,202.02 and 7,603.56

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Solution

The fourth proportional to 13,193.64, 18,202.02 and 7,603.56 is: 10,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.64 : 18,202.02 = 7,603.56 : x
  2. Step 2: Convert to fraction form
    13,193.64/18,202.02 = 7,603.56/x
  3. Step 3: Cross multiply
    13,193.64x = 18,202.02 × 7,603.56
  4. Step 4: Simplify right side
    13,193.64x = 138,400,151.19
  5. Step 5: Solve for x
    x = 138,400,151.19/13,193.64
  6. Step 6: Final answer
    x = 10,489.91

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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.