Home / 10,110.07-13,940.61-8,692.15

Finding the Fourth Proportional to 10,110.07, 13,940.61 and 8,692.15

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Solution

The fourth proportional to 10,110.07, 13,940.61 and 8,692.15 is: 11,985.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,110.07 : 13,940.61 = 8,692.15 : x
  2. Step 2: Convert to fraction form
    10,110.07/13,940.61 = 8,692.15/x
  3. Step 3: Cross multiply
    10,110.07x = 13,940.61 × 8,692.15
  4. Step 4: Simplify right side
    10,110.07x = 121,173,873.21
  5. Step 5: Solve for x
    x = 121,173,873.21/10,110.07
  6. Step 6: Final answer
    x = 11,985.46

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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.