Home / 12,847.23-19,261.53-8,676.81

Finding the Fourth Proportional to 12,847.23, 19,261.53 and 8,676.81

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Solution

The fourth proportional to 12,847.23, 19,261.53 and 8,676.81 is: 13,008.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847.23 : 19,261.53 = 8,676.81 : x
  2. Step 2: Convert to fraction form
    12,847.23/19,261.53 = 8,676.81/x
  3. Step 3: Cross multiply
    12,847.23x = 19,261.53 × 8,676.81
  4. Step 4: Simplify right side
    12,847.23x = 167,128,636.12
  5. Step 5: Solve for x
    x = 167,128,636.12/12,847.23
  6. Step 6: Final answer
    x = 13,008.92

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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.