Home / 13,586.56-18,749.33-7,618.27

Finding the Fourth Proportional to 13,586.56, 18,749.33 and 7,618.27

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Solution

The fourth proportional to 13,586.56, 18,749.33 and 7,618.27 is: 10,513.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586.56 : 18,749.33 = 7,618.27 : x
  2. Step 2: Convert to fraction form
    13,586.56/18,749.33 = 7,618.27/x
  3. Step 3: Cross multiply
    13,586.56x = 18,749.33 × 7,618.27
  4. Step 4: Simplify right side
    13,586.56x = 142,837,458.26
  5. Step 5: Solve for x
    x = 142,837,458.26/13,586.56
  6. Step 6: Final answer
    x = 10,513.14

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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.