Home / 12,445.44-18,670.72-8,551.68

Finding the Fourth Proportional to 12,445.44, 18,670.72 and 8,551.68

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Solution

The fourth proportional to 12,445.44, 18,670.72 and 8,551.68 is: 12,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445.44 : 18,670.72 = 8,551.68 : x
  2. Step 2: Convert to fraction form
    12,445.44/18,670.72 = 8,551.68/x
  3. Step 3: Cross multiply
    12,445.44x = 18,670.72 × 8,551.68
  4. Step 4: Simplify right side
    12,445.44x = 159,666,022.81
  5. Step 5: Solve for x
    x = 159,666,022.81/12,445.44
  6. Step 6: Final answer
    x = 12,829.28

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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.