Home / 12,376.52-18,554.36-8,416.69

Finding the Fourth Proportional to 12,376.52, 18,554.36 and 8,416.69

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Solution

The fourth proportional to 12,376.52, 18,554.36 and 8,416.69 is: 12,617.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.52 : 18,554.36 = 8,416.69 : x
  2. Step 2: Convert to fraction form
    12,376.52/18,554.36 = 8,416.69/x
  3. Step 3: Cross multiply
    12,376.52x = 18,554.36 × 8,416.69
  4. Step 4: Simplify right side
    12,376.52x = 156,166,161.41
  5. Step 5: Solve for x
    x = 156,166,161.41/12,376.52
  6. Step 6: Final answer
    x = 12,617.94

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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.