Home / 12,376.02-18,553.61-8,416.19

Finding the Fourth Proportional to 12,376.02, 18,553.61 and 8,416.19

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Solution

The fourth proportional to 12,376.02, 18,553.61 and 8,416.19 is: 12,617.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.02 : 18,553.61 = 8,416.19 : x
  2. Step 2: Convert to fraction form
    12,376.02/18,553.61 = 8,416.19/x
  3. Step 3: Cross multiply
    12,376.02x = 18,553.61 × 8,416.19
  4. Step 4: Simplify right side
    12,376.02x = 156,150,572.10
  5. Step 5: Solve for x
    x = 156,150,572.10/12,376.02
  6. Step 6: Final answer
    x = 12,617.19

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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.