Home / 18,239.45-25,154.87-12,583.22

Finding the Fourth Proportional to 18,239.45, 25,154.87 and 12,583.22

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Solution

The fourth proportional to 18,239.45, 25,154.87 and 12,583.22 is: 17,354.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.45 : 25,154.87 = 12,583.22 : x
  2. Step 2: Convert to fraction form
    18,239.45/25,154.87 = 12,583.22/x
  3. Step 3: Cross multiply
    18,239.45x = 25,154.87 × 12,583.22
  4. Step 4: Simplify right side
    18,239.45x = 316,529,074.59
  5. Step 5: Solve for x
    x = 316,529,074.59/18,239.45
  6. Step 6: Final answer
    x = 17,354.10

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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.