Home / 9,349.36-12,877.04-8,090.47

Finding the Fourth Proportional to 9,349.36, 12,877.04 and 8,090.47

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Solution

The fourth proportional to 9,349.36, 12,877.04 and 8,090.47 is: 11,143.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,349.36 : 12,877.04 = 8,090.47 : x
  2. Step 2: Convert to fraction form
    9,349.36/12,877.04 = 8,090.47/x
  3. Step 3: Cross multiply
    9,349.36x = 12,877.04 × 8,090.47
  4. Step 4: Simplify right side
    9,349.36x = 104,181,265.36
  5. Step 5: Solve for x
    x = 104,181,265.36/9,349.36
  6. Step 6: Final answer
    x = 11,143.14

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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.