Home / 9,147.22-12,623.25-4,955.50

Finding the Fourth Proportional to 9,147.22, 12,623.25 and 4,955.50

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Solution

The fourth proportional to 9,147.22, 12,623.25 and 4,955.50 is: 6,838.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.22 : 12,623.25 = 4,955.50 : x
  2. Step 2: Convert to fraction form
    9,147.22/12,623.25 = 4,955.50/x
  3. Step 3: Cross multiply
    9,147.22x = 12,623.25 × 4,955.50
  4. Step 4: Simplify right side
    9,147.22x = 62,554,515.38
  5. Step 5: Solve for x
    x = 62,554,515.38/9,147.22
  6. Step 6: Final answer
    x = 6,838.64

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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.