Home / 19,477-29,236.30-8,389.18

Finding the Fourth Proportional to 19,477, 29,236.30 and 8,389.18

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Solution

The fourth proportional to 19,477, 29,236.30 and 8,389.18 is: 12,592.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,477 : 29,236.30 = 8,389.18 : x
  2. Step 2: Convert to fraction form
    19,477/29,236.30 = 8,389.18/x
  3. Step 3: Cross multiply
    19,477x = 29,236.30 × 8,389.18
  4. Step 4: Simplify right side
    19,477x = 245,268,583.23
  5. Step 5: Solve for x
    x = 245,268,583.23/19,477
  6. Step 6: Final answer
    x = 12,592.73

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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.