Home / 12,853.98-19,271.66-8,683.56

Finding the Fourth Proportional to 12,853.98, 19,271.66 and 8,683.56

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Solution

The fourth proportional to 12,853.98, 19,271.66 and 8,683.56 is: 13,019.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,853.98 : 19,271.66 = 8,683.56 : x
  2. Step 2: Convert to fraction form
    12,853.98/19,271.66 = 8,683.56/x
  3. Step 3: Cross multiply
    12,853.98x = 19,271.66 × 8,683.56
  4. Step 4: Simplify right side
    12,853.98x = 167,346,572.49
  5. Step 5: Solve for x
    x = 167,346,572.49/12,853.98
  6. Step 6: Final answer
    x = 13,019.05

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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.