Home / 9,651.39-13,319.13-6,823.74

Finding the Fourth Proportional to 9,651.39, 13,319.13 and 6,823.74

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Solution

The fourth proportional to 9,651.39, 13,319.13 and 6,823.74 is: 9,416.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,651.39 : 13,319.13 = 6,823.74 : x
  2. Step 2: Convert to fraction form
    9,651.39/13,319.13 = 6,823.74/x
  3. Step 3: Cross multiply
    9,651.39x = 13,319.13 × 6,823.74
  4. Step 4: Simplify right side
    9,651.39x = 90,886,355.68
  5. Step 5: Solve for x
    x = 90,886,355.68/9,651.39
  6. Step 6: Final answer
    x = 9,416.92

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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.