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Finding the Fourth Proportional to 18,857.81, 26,024.00 and 10,360.13

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Solution

The fourth proportional to 18,857.81, 26,024.00 and 10,360.13 is: 14,297.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857.81 : 26,024.00 = 10,360.13 : x
  2. Step 2: Convert to fraction form
    18,857.81/26,024.00 = 10,360.13/x
  3. Step 3: Cross multiply
    18,857.81x = 26,024.00 × 10,360.13
  4. Step 4: Simplify right side
    18,857.81x = 269,611,841.20
  5. Step 5: Solve for x
    x = 269,611,841.20/18,857.81
  6. Step 6: Final answer
    x = 14,297.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.