Home / 11,167.03-15,411.93-6,450.40

Finding the Fourth Proportional to 11,167.03, 15,411.93 and 6,450.40

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Solution

The fourth proportional to 11,167.03, 15,411.93 and 6,450.40 is: 8,902.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.03 : 15,411.93 = 6,450.40 : x
  2. Step 2: Convert to fraction form
    11,167.03/15,411.93 = 6,450.40/x
  3. Step 3: Cross multiply
    11,167.03x = 15,411.93 × 6,450.40
  4. Step 4: Simplify right side
    11,167.03x = 99,413,113.27
  5. Step 5: Solve for x
    x = 99,413,113.27/11,167.03
  6. Step 6: Final answer
    x = 8,902.38

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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.