Home / 9,315.41-13,975.54-5,369.09

Finding the Fourth Proportional to 9,315.41, 13,975.54 and 5,369.09

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Solution

The fourth proportional to 9,315.41, 13,975.54 and 5,369.09 is: 8,055.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.41 : 13,975.54 = 5,369.09 : x
  2. Step 2: Convert to fraction form
    9,315.41/13,975.54 = 5,369.09/x
  3. Step 3: Cross multiply
    9,315.41x = 13,975.54 × 5,369.09
  4. Step 4: Simplify right side
    9,315.41x = 75,035,848.76
  5. Step 5: Solve for x
    x = 75,035,848.76/9,315.41
  6. Step 6: Final answer
    x = 8,055.03

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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.