Home / 14,764.88-20,382.36-9,100.64

Finding the Fourth Proportional to 14,764.88, 20,382.36 and 9,100.64

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Solution

The fourth proportional to 14,764.88, 20,382.36 and 9,100.64 is: 12,563.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,764.88 : 20,382.36 = 9,100.64 : x
  2. Step 2: Convert to fraction form
    14,764.88/20,382.36 = 9,100.64/x
  3. Step 3: Cross multiply
    14,764.88x = 20,382.36 × 9,100.64
  4. Step 4: Simplify right side
    14,764.88x = 185,492,520.71
  5. Step 5: Solve for x
    x = 185,492,520.71/14,764.88
  6. Step 6: Final answer
    x = 12,563.09

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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.