Home / 13,333.47-19,999.39-5,542.35

Finding the Fourth Proportional to 13,333.47, 19,999.39 and 5,542.35

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Solution

The fourth proportional to 13,333.47, 19,999.39 and 5,542.35 is: 8,313.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.47 : 19,999.39 = 5,542.35 : x
  2. Step 2: Convert to fraction form
    13,333.47/19,999.39 = 5,542.35/x
  3. Step 3: Cross multiply
    13,333.47x = 19,999.39 × 5,542.35
  4. Step 4: Simplify right side
    13,333.47x = 110,843,619.17
  5. Step 5: Solve for x
    x = 110,843,619.17/13,333.47
  6. Step 6: Final answer
    x = 8,313.19

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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.