Home / 14,054.13-21,099.74-12,893.65

Finding the Fourth Proportional to 14,054.13, 21,099.74 and 12,893.65

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Solution

The fourth proportional to 14,054.13, 21,099.74 and 12,893.65 is: 19,357.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.13 : 21,099.74 = 12,893.65 : x
  2. Step 2: Convert to fraction form
    14,054.13/21,099.74 = 12,893.65/x
  3. Step 3: Cross multiply
    14,054.13x = 21,099.74 × 12,893.65
  4. Step 4: Simplify right side
    14,054.13x = 272,052,545.43
  5. Step 5: Solve for x
    x = 272,052,545.43/14,054.13
  6. Step 6: Final answer
    x = 19,357.48

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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.