Home / 13,259.30-19,896.70-4,945.04

Finding the Fourth Proportional to 13,259.30, 19,896.70 and 4,945.04

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Solution

The fourth proportional to 13,259.30, 19,896.70 and 4,945.04 is: 7,420.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.30 : 19,896.70 = 4,945.04 : x
  2. Step 2: Convert to fraction form
    13,259.30/19,896.70 = 4,945.04/x
  3. Step 3: Cross multiply
    13,259.30x = 19,896.70 × 4,945.04
  4. Step 4: Simplify right side
    13,259.30x = 98,389,977.37
  5. Step 5: Solve for x
    x = 98,389,977.37/13,259.30
  6. Step 6: Final answer
    x = 7,420.45

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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.