Home / 14,321.88-21,468.06-9,054.72

Finding the Fourth Proportional to 14,321.88, 21,468.06 and 9,054.72

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Solution

The fourth proportional to 14,321.88, 21,468.06 and 9,054.72 is: 13,572.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.88 : 21,468.06 = 9,054.72 : x
  2. Step 2: Convert to fraction form
    14,321.88/21,468.06 = 9,054.72/x
  3. Step 3: Cross multiply
    14,321.88x = 21,468.06 × 9,054.72
  4. Step 4: Simplify right side
    14,321.88x = 194,387,272.24
  5. Step 5: Solve for x
    x = 194,387,272.24/14,321.88
  6. Step 6: Final answer
    x = 13,572.75

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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.