Home / 19,616.21-27,074.69-12,902.46

Finding the Fourth Proportional to 19,616.21, 27,074.69 and 12,902.46

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Solution

The fourth proportional to 19,616.21, 27,074.69 and 12,902.46 is: 17,808.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.21 : 27,074.69 = 12,902.46 : x
  2. Step 2: Convert to fraction form
    19,616.21/27,074.69 = 12,902.46/x
  3. Step 3: Cross multiply
    19,616.21x = 27,074.69 × 12,902.46
  4. Step 4: Simplify right side
    19,616.21x = 349,330,040.23
  5. Step 5: Solve for x
    x = 349,330,040.23/19,616.21
  6. Step 6: Final answer
    x = 17,808.24

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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.