Home / 18,386.71-27,576.41-5,056.25

Finding the Fourth Proportional to 18,386.71, 27,576.41 and 5,056.25

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Solution

The fourth proportional to 18,386.71, 27,576.41 and 5,056.25 is: 7,583.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386.71 : 27,576.41 = 5,056.25 : x
  2. Step 2: Convert to fraction form
    18,386.71/27,576.41 = 5,056.25/x
  3. Step 3: Cross multiply
    18,386.71x = 27,576.41 × 5,056.25
  4. Step 4: Simplify right side
    18,386.71x = 139,433,059.90
  5. Step 5: Solve for x
    x = 139,433,059.90/18,386.71
  6. Step 6: Final answer
    x = 7,583.36

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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.