Home / 10,010.15-13,813.80-5,534.09

Finding the Fourth Proportional to 10,010.15, 13,813.80 and 5,534.09

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Solution

The fourth proportional to 10,010.15, 13,813.80 and 5,534.09 is: 7,636.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.15 : 13,813.80 = 5,534.09 : x
  2. Step 2: Convert to fraction form
    10,010.15/13,813.80 = 5,534.09/x
  3. Step 3: Cross multiply
    10,010.15x = 13,813.80 × 5,534.09
  4. Step 4: Simplify right side
    10,010.15x = 76,446,812.44
  5. Step 5: Solve for x
    x = 76,446,812.44/10,010.15
  6. Step 6: Final answer
    x = 7,636.93

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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.