Home / 11,144.51-15,370.55-9,471.45

Finding the Fourth Proportional to 11,144.51, 15,370.55 and 9,471.45

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Solution

The fourth proportional to 11,144.51, 15,370.55 and 9,471.45 is: 13,063.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,144.51 : 15,370.55 = 9,471.45 : x
  2. Step 2: Convert to fraction form
    11,144.51/15,370.55 = 9,471.45/x
  3. Step 3: Cross multiply
    11,144.51x = 15,370.55 × 9,471.45
  4. Step 4: Simplify right side
    11,144.51x = 145,581,419.48
  5. Step 5: Solve for x
    x = 145,581,419.48/11,144.51
  6. Step 6: Final answer
    x = 13,063.07

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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.