Home / 11,168.26-15,411.60-6,131.50

Finding the Fourth Proportional to 11,168.26, 15,411.60 and 6,131.50

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Solution

The fourth proportional to 11,168.26, 15,411.60 and 6,131.50 is: 8,461.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.26 : 15,411.60 = 6,131.50 : x
  2. Step 2: Convert to fraction form
    11,168.26/15,411.60 = 6,131.50/x
  3. Step 3: Cross multiply
    11,168.26x = 15,411.60 × 6,131.50
  4. Step 4: Simplify right side
    11,168.26x = 94,496,225.40
  5. Step 5: Solve for x
    x = 94,496,225.40/11,168.26
  6. Step 6: Final answer
    x = 8,461.14

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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.