Home / 13,353.83-20,030.83-9,181.27

Finding the Fourth Proportional to 13,353.83, 20,030.83 and 9,181.27

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Solution

The fourth proportional to 13,353.83, 20,030.83 and 9,181.27 is: 13,771.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.83 : 20,030.83 = 9,181.27 : x
  2. Step 2: Convert to fraction form
    13,353.83/20,030.83 = 9,181.27/x
  3. Step 3: Cross multiply
    13,353.83x = 20,030.83 × 9,181.27
  4. Step 4: Simplify right side
    13,353.83x = 183,908,458.55
  5. Step 5: Solve for x
    x = 183,908,458.55/13,353.83
  6. Step 6: Final answer
    x = 13,771.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.