Home / 13,549.82-18,697.87-7,580.46

Finding the Fourth Proportional to 13,549.82, 18,697.87 and 7,580.46

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Solution

The fourth proportional to 13,549.82, 18,697.87 and 7,580.46 is: 10,460.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.82 : 18,697.87 = 7,580.46 : x
  2. Step 2: Convert to fraction form
    13,549.82/18,697.87 = 7,580.46/x
  3. Step 3: Cross multiply
    13,549.82x = 18,697.87 × 7,580.46
  4. Step 4: Simplify right side
    13,549.82x = 141,738,455.62
  5. Step 5: Solve for x
    x = 141,738,455.62/13,549.82
  6. Step 6: Final answer
    x = 10,460.54

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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.