Home / 12,675.84-19,016.40-4,886.88

Finding the Fourth Proportional to 12,675.84, 19,016.40 and 4,886.88

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Solution

The fourth proportional to 12,675.84, 19,016.40 and 4,886.88 is: 7,331.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.84 : 19,016.40 = 4,886.88 : x
  2. Step 2: Convert to fraction form
    12,675.84/19,016.40 = 4,886.88/x
  3. Step 3: Cross multiply
    12,675.84x = 19,016.40 × 4,886.88
  4. Step 4: Simplify right side
    12,675.84x = 92,930,864.83
  5. Step 5: Solve for x
    x = 92,930,864.83/12,675.84
  6. Step 6: Final answer
    x = 7,331.34

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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.