Home / 13,437.04-18,544.26-7,469.68

Finding the Fourth Proportional to 13,437.04, 18,544.26 and 7,469.68

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Solution

The fourth proportional to 13,437.04, 18,544.26 and 7,469.68 is: 10,308.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437.04 : 18,544.26 = 7,469.68 : x
  2. Step 2: Convert to fraction form
    13,437.04/18,544.26 = 7,469.68/x
  3. Step 3: Cross multiply
    13,437.04x = 18,544.26 × 7,469.68
  4. Step 4: Simplify right side
    13,437.04x = 138,519,688.04
  5. Step 5: Solve for x
    x = 138,519,688.04/13,437.04
  6. Step 6: Final answer
    x = 10,308.79

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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.