Home / 13,208.45-19,813.89-4,777.06

Finding the Fourth Proportional to 13,208.45, 19,813.89 and 4,777.06

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Solution

The fourth proportional to 13,208.45, 19,813.89 and 4,777.06 is: 7,166.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208.45 : 19,813.89 = 4,777.06 : x
  2. Step 2: Convert to fraction form
    13,208.45/19,813.89 = 4,777.06/x
  3. Step 3: Cross multiply
    13,208.45x = 19,813.89 × 4,777.06
  4. Step 4: Simplify right side
    13,208.45x = 94,652,091.83
  5. Step 5: Solve for x
    x = 94,652,091.83/13,208.45
  6. Step 6: Final answer
    x = 7,166.03

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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.