Home / 13,427.30-18,529.03-7,459.33

Finding the Fourth Proportional to 13,427.30, 18,529.03 and 7,459.33

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Solution

The fourth proportional to 13,427.30, 18,529.03 and 7,459.33 is: 10,293.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,427.30 : 18,529.03 = 7,459.33 : x
  2. Step 2: Convert to fraction form
    13,427.30/18,529.03 = 7,459.33/x
  3. Step 3: Cross multiply
    13,427.30x = 18,529.03 × 7,459.33
  4. Step 4: Simplify right side
    13,427.30x = 138,214,149.35
  5. Step 5: Solve for x
    x = 138,214,149.35/13,427.30
  6. Step 6: Final answer
    x = 10,293.52

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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.