Home / 10,001.80-14,982.90-8,770.60

Finding the Fourth Proportional to 10,001.80, 14,982.90 and 8,770.60

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Solution

The fourth proportional to 10,001.80, 14,982.90 and 8,770.60 is: 13,138.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.80 : 14,982.90 = 8,770.60 : x
  2. Step 2: Convert to fraction form
    10,001.80/14,982.90 = 8,770.60/x
  3. Step 3: Cross multiply
    10,001.80x = 14,982.90 × 8,770.60
  4. Step 4: Simplify right side
    10,001.80x = 131,409,022.74
  5. Step 5: Solve for x
    x = 131,409,022.74/10,001.80
  6. Step 6: Final answer
    x = 13,138.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.