Home / 14,190.51-21,297.12-6,399.93

Finding the Fourth Proportional to 14,190.51, 21,297.12 and 6,399.93

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Solution

The fourth proportional to 14,190.51, 21,297.12 and 6,399.93 is: 9,605.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.51 : 21,297.12 = 6,399.93 : x
  2. Step 2: Convert to fraction form
    14,190.51/21,297.12 = 6,399.93/x
  3. Step 3: Cross multiply
    14,190.51x = 21,297.12 × 6,399.93
  4. Step 4: Simplify right side
    14,190.51x = 136,300,077.20
  5. Step 5: Solve for x
    x = 136,300,077.20/14,190.51
  6. Step 6: Final answer
    x = 9,605.02

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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.