Home / 19,484.86-29,231.62-9,090.94

Finding the Fourth Proportional to 19,484.86, 29,231.62 and 9,090.94

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Solution

The fourth proportional to 19,484.86, 29,231.62 and 9,090.94 is: 13,638.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,484.86 : 29,231.62 = 9,090.94 : x
  2. Step 2: Convert to fraction form
    19,484.86/29,231.62 = 9,090.94/x
  3. Step 3: Cross multiply
    19,484.86x = 29,231.62 × 9,090.94
  4. Step 4: Simplify right side
    19,484.86x = 265,742,903.52
  5. Step 5: Solve for x
    x = 265,742,903.52/19,484.86
  6. Step 6: Final answer
    x = 13,638.43

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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.