Home / 19,130.36-28,697.73-5,090.97

Finding the Fourth Proportional to 19,130.36, 28,697.73 and 5,090.97

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Solution

The fourth proportional to 19,130.36, 28,697.73 and 5,090.97 is: 7,637.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.36 : 28,697.73 = 5,090.97 : x
  2. Step 2: Convert to fraction form
    19,130.36/28,697.73 = 5,090.97/x
  3. Step 3: Cross multiply
    19,130.36x = 28,697.73 × 5,090.97
  4. Step 4: Simplify right side
    19,130.36x = 146,099,263.41
  5. Step 5: Solve for x
    x = 146,099,263.41/19,130.36
  6. Step 6: Final answer
    x = 7,637.04

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1.5x scale

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.