Home / 14,721.88-20,319.24-9,059.44

Finding the Fourth Proportional to 14,721.88, 20,319.24 and 9,059.44

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Solution

The fourth proportional to 14,721.88, 20,319.24 and 9,059.44 is: 12,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,721.88 : 20,319.24 = 9,059.44 : x
  2. Step 2: Convert to fraction form
    14,721.88/20,319.24 = 9,059.44/x
  3. Step 3: Cross multiply
    14,721.88x = 20,319.24 × 9,059.44
  4. Step 4: Simplify right side
    14,721.88x = 184,080,935.63
  5. Step 5: Solve for x
    x = 184,080,935.63/14,721.88
  6. Step 6: Final answer
    x = 12,503.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.