Home / 14,297.51-21,450.72-6,900.69

Finding the Fourth Proportional to 14,297.51, 21,450.72 and 6,900.69

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Solution

The fourth proportional to 14,297.51, 21,450.72 and 6,900.69 is: 10,353.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,297.51 : 21,450.72 = 6,900.69 : x
  2. Step 2: Convert to fraction form
    14,297.51/21,450.72 = 6,900.69/x
  3. Step 3: Cross multiply
    14,297.51x = 21,450.72 × 6,900.69
  4. Step 4: Simplify right side
    14,297.51x = 148,024,769.00
  5. Step 5: Solve for x
    x = 148,024,769.00/14,297.51
  6. Step 6: Final answer
    x = 10,353.19

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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.