Home / 21,496.89-29,668.52-12,065.45

Finding the Fourth Proportional to 21,496.89, 29,668.52 and 12,065.45

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Solution

The fourth proportional to 21,496.89, 29,668.52 and 12,065.45 is: 16,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,496.89 : 29,668.52 = 12,065.45 : x
  2. Step 2: Convert to fraction form
    21,496.89/29,668.52 = 12,065.45/x
  3. Step 3: Cross multiply
    21,496.89x = 29,668.52 × 12,065.45
  4. Step 4: Simplify right side
    21,496.89x = 357,964,118.81
  5. Step 5: Solve for x
    x = 357,964,118.81/21,496.89
  6. Step 6: Final answer
    x = 16,651.90

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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.