Home / 10,802.12-16,196.80-4,220.60

Finding the Fourth Proportional to 10,802.12, 16,196.80 and 4,220.60

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Solution

The fourth proportional to 10,802.12, 16,196.80 and 4,220.60 is: 6,328.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,802.12 : 16,196.80 = 4,220.60 : x
  2. Step 2: Convert to fraction form
    10,802.12/16,196.80 = 4,220.60/x
  3. Step 3: Cross multiply
    10,802.12x = 16,196.80 × 4,220.60
  4. Step 4: Simplify right side
    10,802.12x = 68,360,214.08
  5. Step 5: Solve for x
    x = 68,360,214.08/10,802.12
  6. Step 6: Final answer
    x = 6,328.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.