Home / 10,805.90-14,911.71-6,091.16

Finding the Fourth Proportional to 10,805.90, 14,911.71 and 6,091.16

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Solution

The fourth proportional to 10,805.90, 14,911.71 and 6,091.16 is: 8,405.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,805.90 : 14,911.71 = 6,091.16 : x
  2. Step 2: Convert to fraction form
    10,805.90/14,911.71 = 6,091.16/x
  3. Step 3: Cross multiply
    10,805.90x = 14,911.71 × 6,091.16
  4. Step 4: Simplify right side
    10,805.90x = 90,829,611.48
  5. Step 5: Solve for x
    x = 90,829,611.48/10,805.90
  6. Step 6: Final answer
    x = 8,405.56

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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.