Home / 43,486.40-65,237.81-13,896.29

Finding the Fourth Proportional to 43,486.40, 65,237.81 and 13,896.29

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Solution

The fourth proportional to 43,486.40, 65,237.81 and 13,896.29 is: 20,847.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,486.40 : 65,237.81 = 13,896.29 : x
  2. Step 2: Convert to fraction form
    43,486.40/65,237.81 = 13,896.29/x
  3. Step 3: Cross multiply
    43,486.40x = 65,237.81 × 13,896.29
  4. Step 4: Simplify right side
    43,486.40x = 906,563,620.34
  5. Step 5: Solve for x
    x = 906,563,620.34/43,486.40
  6. Step 6: Final answer
    x = 20,847.06

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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.