Home / 13,820.83-19,072.36-7,533.20

Finding the Fourth Proportional to 13,820.83, 19,072.36 and 7,533.20

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Solution

The fourth proportional to 13,820.83, 19,072.36 and 7,533.20 is: 10,395.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,820.83 : 19,072.36 = 7,533.20 : x
  2. Step 2: Convert to fraction form
    13,820.83/19,072.36 = 7,533.20/x
  3. Step 3: Cross multiply
    13,820.83x = 19,072.36 × 7,533.20
  4. Step 4: Simplify right side
    13,820.83x = 143,675,959.45
  5. Step 5: Solve for x
    x = 143,675,959.45/13,820.83
  6. Step 6: Final answer
    x = 10,395.61

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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.