Home / 12,720.36-17,533.82-10,027.19

Finding the Fourth Proportional to 12,720.36, 17,533.82 and 10,027.19

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Solution

The fourth proportional to 12,720.36, 17,533.82 and 10,027.19 is: 13,821.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,720.36 : 17,533.82 = 10,027.19 : x
  2. Step 2: Convert to fraction form
    12,720.36/17,533.82 = 10,027.19/x
  3. Step 3: Cross multiply
    12,720.36x = 17,533.82 × 10,027.19
  4. Step 4: Simplify right side
    12,720.36x = 175,814,806.76
  5. Step 5: Solve for x
    x = 175,814,806.76/12,720.36
  6. Step 6: Final answer
    x = 13,821.53

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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.