Home / 19,964.30-29,870.28-12,037.64

Finding the Fourth Proportional to 19,964.30, 29,870.28 and 12,037.64

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Solution

The fourth proportional to 19,964.30, 29,870.28 and 12,037.64 is: 18,010.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.30 : 29,870.28 = 12,037.64 : x
  2. Step 2: Convert to fraction form
    19,964.30/29,870.28 = 12,037.64/x
  3. Step 3: Cross multiply
    19,964.30x = 29,870.28 × 12,037.64
  4. Step 4: Simplify right side
    19,964.30x = 359,567,527.99
  5. Step 5: Solve for x
    x = 359,567,527.99/19,964.30
  6. Step 6: Final answer
    x = 18,010.53

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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.