Home / 9,148.14-12,623.58-5,169.56

Finding the Fourth Proportional to 9,148.14, 12,623.58 and 5,169.56

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Solution

The fourth proportional to 9,148.14, 12,623.58 and 5,169.56 is: 7,133.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.14 : 12,623.58 = 5,169.56 : x
  2. Step 2: Convert to fraction form
    9,148.14/12,623.58 = 5,169.56/x
  3. Step 3: Cross multiply
    9,148.14x = 12,623.58 × 5,169.56
  4. Step 4: Simplify right side
    9,148.14x = 65,258,291.11
  5. Step 5: Solve for x
    x = 65,258,291.11/9,148.14
  6. Step 6: Final answer
    x = 7,133.50

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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.