Home / 11,090.63-15,307.66-7,314.47

Finding the Fourth Proportional to 11,090.63, 15,307.66 and 7,314.47

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Solution

The fourth proportional to 11,090.63, 15,307.66 and 7,314.47 is: 10,095.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.63 : 15,307.66 = 7,314.47 : x
  2. Step 2: Convert to fraction form
    11,090.63/15,307.66 = 7,314.47/x
  3. Step 3: Cross multiply
    11,090.63x = 15,307.66 × 7,314.47
  4. Step 4: Simplify right side
    11,090.63x = 111,967,467.25
  5. Step 5: Solve for x
    x = 111,967,467.25/11,090.63
  6. Step 6: Final answer
    x = 10,095.69

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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.