Home / 11,544.21-15,928.07-7,066.35

Finding the Fourth Proportional to 11,544.21, 15,928.07 and 7,066.35

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Solution

The fourth proportional to 11,544.21, 15,928.07 and 7,066.35 is: 9,749.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,544.21 : 15,928.07 = 7,066.35 : x
  2. Step 2: Convert to fraction form
    11,544.21/15,928.07 = 7,066.35/x
  3. Step 3: Cross multiply
    11,544.21x = 15,928.07 × 7,066.35
  4. Step 4: Simplify right side
    11,544.21x = 112,553,282.11
  5. Step 5: Solve for x
    x = 112,553,282.11/11,544.21
  6. Step 6: Final answer
    x = 9,749.76

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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.