Home / 13,903.56-19,172.53-9,659.43

Finding the Fourth Proportional to 13,903.56, 19,172.53 and 9,659.43

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Solution

The fourth proportional to 13,903.56, 19,172.53 and 9,659.43 is: 13,320.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.56 : 19,172.53 = 9,659.43 : x
  2. Step 2: Convert to fraction form
    13,903.56/19,172.53 = 9,659.43/x
  3. Step 3: Cross multiply
    13,903.56x = 19,172.53 × 9,659.43
  4. Step 4: Simplify right side
    13,903.56x = 185,195,723.53
  5. Step 5: Solve for x
    x = 185,195,723.53/13,903.56
  6. Step 6: Final answer
    x = 13,320.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.