Home / 9,479.08-13,063.14-6,821.80

Finding the Fourth Proportional to 9,479.08, 13,063.14 and 6,821.80

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Solution

The fourth proportional to 9,479.08, 13,063.14 and 6,821.80 is: 9,401.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.08 : 13,063.14 = 6,821.80 : x
  2. Step 2: Convert to fraction form
    9,479.08/13,063.14 = 6,821.80/x
  3. Step 3: Cross multiply
    9,479.08x = 13,063.14 × 6,821.80
  4. Step 4: Simplify right side
    9,479.08x = 89,114,128.45
  5. Step 5: Solve for x
    x = 89,114,128.45/9,479.08
  6. Step 6: Final answer
    x = 9,401.14

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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.