Home / 13,771.64-19,004.85-7,484.01

Finding the Fourth Proportional to 13,771.64, 19,004.85 and 7,484.01

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Solution

The fourth proportional to 13,771.64, 19,004.85 and 7,484.01 is: 10,327.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771.64 : 19,004.85 = 7,484.01 : x
  2. Step 2: Convert to fraction form
    13,771.64/19,004.85 = 7,484.01/x
  3. Step 3: Cross multiply
    13,771.64x = 19,004.85 × 7,484.01
  4. Step 4: Simplify right side
    13,771.64x = 142,232,487.45
  5. Step 5: Solve for x
    x = 142,232,487.45/13,771.64
  6. Step 6: Final answer
    x = 10,327.93

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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.