Home / 9,975.48-13,766.84-6,612.48

Finding the Fourth Proportional to 9,975.48, 13,766.84 and 6,612.48

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Solution

The fourth proportional to 9,975.48, 13,766.84 and 6,612.48 is: 9,125.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.48 : 13,766.84 = 6,612.48 : x
  2. Step 2: Convert to fraction form
    9,975.48/13,766.84 = 6,612.48/x
  3. Step 3: Cross multiply
    9,975.48x = 13,766.84 × 6,612.48
  4. Step 4: Simplify right side
    9,975.48x = 91,032,954.16
  5. Step 5: Solve for x
    x = 91,032,954.16/9,975.48
  6. Step 6: Final answer
    x = 9,125.67

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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.