Home / 9,151.40-13,724.34-3,886.37

Finding the Fourth Proportional to 9,151.40, 13,724.34 and 3,886.37

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Solution

The fourth proportional to 9,151.40, 13,724.34 and 3,886.37 is: 5,828.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151.40 : 13,724.34 = 3,886.37 : x
  2. Step 2: Convert to fraction form
    9,151.40/13,724.34 = 3,886.37/x
  3. Step 3: Cross multiply
    9,151.40x = 13,724.34 × 3,886.37
  4. Step 4: Simplify right side
    9,151.40x = 53,337,812.22
  5. Step 5: Solve for x
    x = 53,337,812.22/9,151.40
  6. Step 6: Final answer
    x = 5,828.38

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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.