Home / 9,909.06-13,683.56-6,378.27

Finding the Fourth Proportional to 9,909.06, 13,683.56 and 6,378.27

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Solution

The fourth proportional to 9,909.06, 13,683.56 and 6,378.27 is: 8,807.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909.06 : 13,683.56 = 6,378.27 : x
  2. Step 2: Convert to fraction form
    9,909.06/13,683.56 = 6,378.27/x
  3. Step 3: Cross multiply
    9,909.06x = 13,683.56 × 6,378.27
  4. Step 4: Simplify right side
    9,909.06x = 87,277,440.24
  5. Step 5: Solve for x
    x = 87,277,440.24/9,909.06
  6. Step 6: Final answer
    x = 8,807.84

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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.