Home / 14,317.58-21,441.72-7,279.09

Finding the Fourth Proportional to 14,317.58, 21,441.72 and 7,279.09

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Solution

The fourth proportional to 14,317.58, 21,441.72 and 7,279.09 is: 10,901.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317.58 : 21,441.72 = 7,279.09 : x
  2. Step 2: Convert to fraction form
    14,317.58/21,441.72 = 7,279.09/x
  3. Step 3: Cross multiply
    14,317.58x = 21,441.72 × 7,279.09
  4. Step 4: Simplify right side
    14,317.58x = 156,076,209.63
  5. Step 5: Solve for x
    x = 156,076,209.63/14,317.58
  6. Step 6: Final answer
    x = 10,901.02

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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.