Home / 13,270.50-19,905.75-4,036.50

Finding the Fourth Proportional to 13,270.50, 19,905.75 and 4,036.50

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Solution

The fourth proportional to 13,270.50, 19,905.75 and 4,036.50 is: 6,054.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.50 : 19,905.75 = 4,036.50 : x
  2. Step 2: Convert to fraction form
    13,270.50/19,905.75 = 4,036.50/x
  3. Step 3: Cross multiply
    13,270.50x = 19,905.75 × 4,036.50
  4. Step 4: Simplify right side
    13,270.50x = 80,349,559.88
  5. Step 5: Solve for x
    x = 80,349,559.88/13,270.50
  6. Step 6: Final answer
    x = 6,054.75

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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.