Home / 13,043.55-19,571.40-6,810.60

Finding the Fourth Proportional to 13,043.55, 19,571.40 and 6,810.60

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Solution

The fourth proportional to 13,043.55, 19,571.40 and 6,810.60 is: 10,219.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.55 : 19,571.40 = 6,810.60 : x
  2. Step 2: Convert to fraction form
    13,043.55/19,571.40 = 6,810.60/x
  3. Step 3: Cross multiply
    13,043.55x = 19,571.40 × 6,810.60
  4. Step 4: Simplify right side
    13,043.55x = 133,292,976.84
  5. Step 5: Solve for x
    x = 133,292,976.84/13,043.55
  6. Step 6: Final answer
    x = 10,219.07

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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.