Home / 13,360.58-18,437.90-7,392.68

Finding the Fourth Proportional to 13,360.58, 18,437.90 and 7,392.68

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Solution

The fourth proportional to 13,360.58, 18,437.90 and 7,392.68 is: 10,202.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.58 : 18,437.90 = 7,392.68 : x
  2. Step 2: Convert to fraction form
    13,360.58/18,437.90 = 7,392.68/x
  3. Step 3: Cross multiply
    13,360.58x = 18,437.90 × 7,392.68
  4. Step 4: Simplify right side
    13,360.58x = 136,305,365.42
  5. Step 5: Solve for x
    x = 136,305,365.42/13,360.58
  6. Step 6: Final answer
    x = 10,202.06

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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.