Home / 11,090.21-15,307.11-6,377.22

Finding the Fourth Proportional to 11,090.21, 15,307.11 and 6,377.22

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Solution

The fourth proportional to 11,090.21, 15,307.11 and 6,377.22 is: 8,802.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.21 : 15,307.11 = 6,377.22 : x
  2. Step 2: Convert to fraction form
    11,090.21/15,307.11 = 6,377.22/x
  3. Step 3: Cross multiply
    11,090.21x = 15,307.11 × 6,377.22
  4. Step 4: Simplify right side
    11,090.21x = 97,616,808.03
  5. Step 5: Solve for x
    x = 97,616,808.03/11,090.21
  6. Step 6: Final answer
    x = 8,802.07

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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.