Home / 10,089.90-13,921.80-6,110.94

Finding the Fourth Proportional to 10,089.90, 13,921.80 and 6,110.94

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Solution

The fourth proportional to 10,089.90, 13,921.80 and 6,110.94 is: 8,431.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.90 : 13,921.80 = 6,110.94 : x
  2. Step 2: Convert to fraction form
    10,089.90/13,921.80 = 6,110.94/x
  3. Step 3: Cross multiply
    10,089.90x = 13,921.80 × 6,110.94
  4. Step 4: Simplify right side
    10,089.90x = 85,075,284.49
  5. Step 5: Solve for x
    x = 85,075,284.49/10,089.90
  6. Step 6: Final answer
    x = 8,431.73

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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.