Home / 13,654.56-18,833.47-9,629.67

Finding the Fourth Proportional to 13,654.56, 18,833.47 and 9,629.67

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Solution

The fourth proportional to 13,654.56, 18,833.47 and 9,629.67 is: 13,282.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654.56 : 18,833.47 = 9,629.67 : x
  2. Step 2: Convert to fraction form
    13,654.56/18,833.47 = 9,629.67/x
  3. Step 3: Cross multiply
    13,654.56x = 18,833.47 × 9,629.67
  4. Step 4: Simplify right side
    13,654.56x = 181,360,101.05
  5. Step 5: Solve for x
    x = 181,360,101.05/13,654.56
  6. Step 6: Final answer
    x = 13,282.02

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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.