Home / 13,437.63-18,544.14-7,469.55

Finding the Fourth Proportional to 13,437.63, 18,544.14 and 7,469.55

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Solution

The fourth proportional to 13,437.63, 18,544.14 and 7,469.55 is: 10,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437.63 : 18,544.14 = 7,469.55 : x
  2. Step 2: Convert to fraction form
    13,437.63/18,544.14 = 7,469.55/x
  3. Step 3: Cross multiply
    13,437.63x = 18,544.14 × 7,469.55
  4. Step 4: Simplify right side
    13,437.63x = 138,516,380.94
  5. Step 5: Solve for x
    x = 138,516,380.94/13,437.63
  6. Step 6: Final answer
    x = 10,308.10

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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.