Home / 11,220.04-15,481.64-6,503.40

Finding the Fourth Proportional to 11,220.04, 15,481.64 and 6,503.40

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Solution

The fourth proportional to 11,220.04, 15,481.64 and 6,503.40 is: 8,973.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.04 : 15,481.64 = 6,503.40 : x
  2. Step 2: Convert to fraction form
    11,220.04/15,481.64 = 6,503.40/x
  3. Step 3: Cross multiply
    11,220.04x = 15,481.64 × 6,503.40
  4. Step 4: Simplify right side
    11,220.04x = 100,683,297.58
  5. Step 5: Solve for x
    x = 100,683,297.58/11,220.04
  6. Step 6: Final answer
    x = 8,973.52

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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.