Home / 12,805.33-19,203.55-4,485.16

Finding the Fourth Proportional to 12,805.33, 19,203.55 and 4,485.16

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Solution

The fourth proportional to 12,805.33, 19,203.55 and 4,485.16 is: 6,726.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805.33 : 19,203.55 = 4,485.16 : x
  2. Step 2: Convert to fraction form
    12,805.33/19,203.55 = 4,485.16/x
  3. Step 3: Cross multiply
    12,805.33x = 19,203.55 × 4,485.16
  4. Step 4: Simplify right side
    12,805.33x = 86,130,994.32
  5. Step 5: Solve for x
    x = 86,130,994.32/12,805.33
  6. Step 6: Final answer
    x = 6,726.18

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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.