Home / 12,140.75-18,173.40-6,580.30

Finding the Fourth Proportional to 12,140.75, 18,173.40 and 6,580.30

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Solution

The fourth proportional to 12,140.75, 18,173.40 and 6,580.30 is: 9,850.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140.75 : 18,173.40 = 6,580.30 : x
  2. Step 2: Convert to fraction form
    12,140.75/18,173.40 = 6,580.30/x
  3. Step 3: Cross multiply
    12,140.75x = 18,173.40 × 6,580.30
  4. Step 4: Simplify right side
    12,140.75x = 119,586,424.02
  5. Step 5: Solve for x
    x = 119,586,424.02/12,140.75
  6. Step 6: Final answer
    x = 9,850.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.