Home / 12,576.17-18,860.87-5,989.25

Finding the Fourth Proportional to 12,576.17, 18,860.87 and 5,989.25

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Solution

The fourth proportional to 12,576.17, 18,860.87 and 5,989.25 is: 8,982.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576.17 : 18,860.87 = 5,989.25 : x
  2. Step 2: Convert to fraction form
    12,576.17/18,860.87 = 5,989.25/x
  3. Step 3: Cross multiply
    12,576.17x = 18,860.87 × 5,989.25
  4. Step 4: Simplify right side
    12,576.17x = 112,962,386.32
  5. Step 5: Solve for x
    x = 112,962,386.32/12,576.17
  6. Step 6: Final answer
    x = 8,982.26

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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.