Home / 11,622.09-16,038.48-6,316.90

Finding the Fourth Proportional to 11,622.09, 16,038.48 and 6,316.90

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Solution

The fourth proportional to 11,622.09, 16,038.48 and 6,316.90 is: 8,717.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.09 : 16,038.48 = 6,316.90 : x
  2. Step 2: Convert to fraction form
    11,622.09/16,038.48 = 6,316.90/x
  3. Step 3: Cross multiply
    11,622.09x = 16,038.48 × 6,316.90
  4. Step 4: Simplify right side
    11,622.09x = 101,313,474.31
  5. Step 5: Solve for x
    x = 101,313,474.31/11,622.09
  6. Step 6: Final answer
    x = 8,717.32

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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.