Home / 15,018.78-22,576.74-13,936.62

Finding the Fourth Proportional to 15,018.78, 22,576.74 and 13,936.62

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Solution

The fourth proportional to 15,018.78, 22,576.74 and 13,936.62 is: 20,950.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,018.78 : 22,576.74 = 13,936.62 : x
  2. Step 2: Convert to fraction form
    15,018.78/22,576.74 = 13,936.62/x
  3. Step 3: Cross multiply
    15,018.78x = 22,576.74 × 13,936.62
  4. Step 4: Simplify right side
    15,018.78x = 314,643,446.22
  5. Step 5: Solve for x
    x = 314,643,446.22/15,018.78
  6. Step 6: Final answer
    x = 20,950.00

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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.