Home / 10,001.36-13,800.84-5,808.80

Finding the Fourth Proportional to 10,001.36, 13,800.84 and 5,808.80

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Solution

The fourth proportional to 10,001.36, 13,800.84 and 5,808.80 is: 8,015.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.36 : 13,800.84 = 5,808.80 : x
  2. Step 2: Convert to fraction form
    10,001.36/13,800.84 = 5,808.80/x
  3. Step 3: Cross multiply
    10,001.36x = 13,800.84 × 5,808.80
  4. Step 4: Simplify right side
    10,001.36x = 80,166,319.39
  5. Step 5: Solve for x
    x = 80,166,319.39/10,001.36
  6. Step 6: Final answer
    x = 8,015.54

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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.