Home / 11,009.98-15,190.06-6,290.92

Finding the Fourth Proportional to 11,009.98, 15,190.06 and 6,290.92

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Solution

The fourth proportional to 11,009.98, 15,190.06 and 6,290.92 is: 8,679.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.98 : 15,190.06 = 6,290.92 : x
  2. Step 2: Convert to fraction form
    11,009.98/15,190.06 = 6,290.92/x
  3. Step 3: Cross multiply
    11,009.98x = 15,190.06 × 6,290.92
  4. Step 4: Simplify right side
    11,009.98x = 95,559,452.26
  5. Step 5: Solve for x
    x = 95,559,452.26/11,009.98
  6. Step 6: Final answer
    x = 8,679.35

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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.