Home / 12,858.03-19,289.16-6,284.88

Finding the Fourth Proportional to 12,858.03, 19,289.16 and 6,284.88

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Solution

The fourth proportional to 12,858.03, 19,289.16 and 6,284.88 is: 9,428.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,858.03 : 19,289.16 = 6,284.88 : x
  2. Step 2: Convert to fraction form
    12,858.03/19,289.16 = 6,284.88/x
  3. Step 3: Cross multiply
    12,858.03x = 19,289.16 × 6,284.88
  4. Step 4: Simplify right side
    12,858.03x = 121,230,055.90
  5. Step 5: Solve for x
    x = 121,230,055.90/12,858.03
  6. Step 6: Final answer
    x = 9,428.35

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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.