Home / 12,860.13-19,288.82-4,094.36

Finding the Fourth Proportional to 12,860.13, 19,288.82 and 4,094.36

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Solution

The fourth proportional to 12,860.13, 19,288.82 and 4,094.36 is: 6,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860.13 : 19,288.82 = 4,094.36 : x
  2. Step 2: Convert to fraction form
    12,860.13/19,288.82 = 4,094.36/x
  3. Step 3: Cross multiply
    12,860.13x = 19,288.82 × 4,094.36
  4. Step 4: Simplify right side
    12,860.13x = 78,975,373.06
  5. Step 5: Solve for x
    x = 78,975,373.06/12,860.13
  6. Step 6: Final answer
    x = 6,141.10

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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.