Home / 14,003.62-21,004.72-5,237.89

Finding the Fourth Proportional to 14,003.62, 21,004.72 and 5,237.89

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Solution

The fourth proportional to 14,003.62, 21,004.72 and 5,237.89 is: 7,856.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.62 : 21,004.72 = 5,237.89 : x
  2. Step 2: Convert to fraction form
    14,003.62/21,004.72 = 5,237.89/x
  3. Step 3: Cross multiply
    14,003.62x = 21,004.72 × 5,237.89
  4. Step 4: Simplify right side
    14,003.62x = 110,020,412.84
  5. Step 5: Solve for x
    x = 110,020,412.84/14,003.62
  6. Step 6: Final answer
    x = 7,856.57

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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.