Home / 14,157.36-21,216.60-8,953.92

Finding the Fourth Proportional to 14,157.36, 21,216.60 and 8,953.92

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Solution

The fourth proportional to 14,157.36, 21,216.60 and 8,953.92 is: 13,418.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.36 : 21,216.60 = 8,953.92 : x
  2. Step 2: Convert to fraction form
    14,157.36/21,216.60 = 8,953.92/x
  3. Step 3: Cross multiply
    14,157.36x = 21,216.60 × 8,953.92
  4. Step 4: Simplify right side
    14,157.36x = 189,971,739.07
  5. Step 5: Solve for x
    x = 189,971,739.07/14,157.36
  6. Step 6: Final answer
    x = 13,418.59

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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.