Home / 14,079.54-21,143.46-12,501.83

Finding the Fourth Proportional to 14,079.54, 21,143.46 and 12,501.83

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Solution

The fourth proportional to 14,079.54, 21,143.46 and 12,501.83 is: 18,774.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.54 : 21,143.46 = 12,501.83 : x
  2. Step 2: Convert to fraction form
    14,079.54/21,143.46 = 12,501.83/x
  3. Step 3: Cross multiply
    14,079.54x = 21,143.46 × 12,501.83
  4. Step 4: Simplify right side
    14,079.54x = 264,331,923.34
  5. Step 5: Solve for x
    x = 264,331,923.34/14,079.54
  6. Step 6: Final answer
    x = 18,774.19

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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.