Home / 10,091.90-13,927.15-6,313.86

Finding the Fourth Proportional to 10,091.90, 13,927.15 and 6,313.86

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Solution

The fourth proportional to 10,091.90, 13,927.15 and 6,313.86 is: 8,713.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.90 : 13,927.15 = 6,313.86 : x
  2. Step 2: Convert to fraction form
    10,091.90/13,927.15 = 6,313.86/x
  3. Step 3: Cross multiply
    10,091.90x = 13,927.15 × 6,313.86
  4. Step 4: Simplify right side
    10,091.90x = 87,934,075.30
  5. Step 5: Solve for x
    x = 87,934,075.30/10,091.90
  6. Step 6: Final answer
    x = 8,713.33

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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.