Home / 10,028.63-13,808.60-8,907.62

Finding the Fourth Proportional to 10,028.63, 13,808.60 and 8,907.62

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Solution

The fourth proportional to 10,028.63, 13,808.60 and 8,907.62 is: 12,265.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,028.63 : 13,808.60 = 8,907.62 : x
  2. Step 2: Convert to fraction form
    10,028.63/13,808.60 = 8,907.62/x
  3. Step 3: Cross multiply
    10,028.63x = 13,808.60 × 8,907.62
  4. Step 4: Simplify right side
    10,028.63x = 123,001,647.95
  5. Step 5: Solve for x
    x = 123,001,647.95/10,028.63
  6. Step 6: Final answer
    x = 12,265.06

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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.