Home / 13,019.76-19,520.36-6,090.48

Finding the Fourth Proportional to 13,019.76, 19,520.36 and 6,090.48

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Solution

The fourth proportional to 13,019.76, 19,520.36 and 6,090.48 is: 9,131.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019.76 : 19,520.36 = 6,090.48 : x
  2. Step 2: Convert to fraction form
    13,019.76/19,520.36 = 6,090.48/x
  3. Step 3: Cross multiply
    13,019.76x = 19,520.36 × 6,090.48
  4. Step 4: Simplify right side
    13,019.76x = 118,888,362.17
  5. Step 5: Solve for x
    x = 118,888,362.17/13,019.76
  6. Step 6: Final answer
    x = 9,131.38

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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.