Home / 18,140.88-25,027.26-10,479.09

Finding the Fourth Proportional to 18,140.88, 25,027.26 and 10,479.09

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Solution

The fourth proportional to 18,140.88, 25,027.26 and 10,479.09 is: 14,457.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.88 : 25,027.26 = 10,479.09 : x
  2. Step 2: Convert to fraction form
    18,140.88/25,027.26 = 10,479.09/x
  3. Step 3: Cross multiply
    18,140.88x = 25,027.26 × 10,479.09
  4. Step 4: Simplify right side
    18,140.88x = 262,262,909.99
  5. Step 5: Solve for x
    x = 262,262,909.99/18,140.88
  6. Step 6: Final answer
    x = 14,457.01

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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.