Home / 8,153.19-12,223.80-2,603.34

Finding the Fourth Proportional to 8,153.19, 12,223.80 and 2,603.34

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Solution

The fourth proportional to 8,153.19, 12,223.80 and 2,603.34 is: 3,903.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.19 : 12,223.80 = 2,603.34 : x
  2. Step 2: Convert to fraction form
    8,153.19/12,223.80 = 2,603.34/x
  3. Step 3: Cross multiply
    8,153.19x = 12,223.80 × 2,603.34
  4. Step 4: Simplify right side
    8,153.19x = 31,822,707.49
  5. Step 5: Solve for x
    x = 31,822,707.49/8,153.19
  6. Step 6: Final answer
    x = 3,903.10

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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.