Home / 10,840.50-14,961.11-6,125.09

Finding the Fourth Proportional to 10,840.50, 14,961.11 and 6,125.09

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Solution

The fourth proportional to 10,840.50, 14,961.11 and 6,125.09 is: 8,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,840.50 : 14,961.11 = 6,125.09 : x
  2. Step 2: Convert to fraction form
    10,840.50/14,961.11 = 6,125.09/x
  3. Step 3: Cross multiply
    10,840.50x = 14,961.11 × 6,125.09
  4. Step 4: Simplify right side
    10,840.50x = 91,638,039.82
  5. Step 5: Solve for x
    x = 91,638,039.82/10,840.50
  6. Step 6: Final answer
    x = 8,453.30

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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.