Home / 19,447.03-29,181.86-8,201.67

Finding the Fourth Proportional to 19,447.03, 29,181.86 and 8,201.67

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Solution

The fourth proportional to 19,447.03, 29,181.86 and 8,201.67 is: 12,307.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,447.03 : 29,181.86 = 8,201.67 : x
  2. Step 2: Convert to fraction form
    19,447.03/29,181.86 = 8,201.67/x
  3. Step 3: Cross multiply
    19,447.03x = 29,181.86 × 8,201.67
  4. Step 4: Simplify right side
    19,447.03x = 239,339,985.71
  5. Step 5: Solve for x
    x = 239,339,985.71/19,447.03
  6. Step 6: Final answer
    x = 12,307.28

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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.