Home / 13,362.02-18,438.42-7,393.68

Finding the Fourth Proportional to 13,362.02, 18,438.42 and 7,393.68

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Solution

The fourth proportional to 13,362.02, 18,438.42 and 7,393.68 is: 10,202.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.02 : 18,438.42 = 7,393.68 : x
  2. Step 2: Convert to fraction form
    13,362.02/18,438.42 = 7,393.68/x
  3. Step 3: Cross multiply
    13,362.02x = 18,438.42 × 7,393.68
  4. Step 4: Simplify right side
    13,362.02x = 136,327,777.19
  5. Step 5: Solve for x
    x = 136,327,777.19/13,362.02
  6. Step 6: Final answer
    x = 10,202.63

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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.