Home / 13,485.67-20,228.50-4,723.09

Finding the Fourth Proportional to 13,485.67, 20,228.50 and 4,723.09

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Solution

The fourth proportional to 13,485.67, 20,228.50 and 4,723.09 is: 7,084.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485.67 : 20,228.50 = 4,723.09 : x
  2. Step 2: Convert to fraction form
    13,485.67/20,228.50 = 4,723.09/x
  3. Step 3: Cross multiply
    13,485.67x = 20,228.50 × 4,723.09
  4. Step 4: Simplify right side
    13,485.67x = 95,541,026.07
  5. Step 5: Solve for x
    x = 95,541,026.07/13,485.67
  6. Step 6: Final answer
    x = 7,084.63

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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.