Home / 12,466.16-18,699.36-8,558.72

Finding the Fourth Proportional to 12,466.16, 18,699.36 and 8,558.72

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Solution

The fourth proportional to 12,466.16, 18,699.36 and 8,558.72 is: 12,838.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,466.16 : 18,699.36 = 8,558.72 : x
  2. Step 2: Convert to fraction form
    12,466.16/18,699.36 = 8,558.72/x
  3. Step 3: Cross multiply
    12,466.16x = 18,699.36 × 8,558.72
  4. Step 4: Simplify right side
    12,466.16x = 160,042,586.42
  5. Step 5: Solve for x
    x = 160,042,586.42/12,466.16
  6. Step 6: Final answer
    x = 12,838.16

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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.