Home / 14,282.39-19,699.61-12,289.52

Finding the Fourth Proportional to 14,282.39, 19,699.61 and 12,289.52

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Solution

The fourth proportional to 14,282.39, 19,699.61 and 12,289.52 is: 16,950.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.39 : 19,699.61 = 12,289.52 : x
  2. Step 2: Convert to fraction form
    14,282.39/19,699.61 = 12,289.52/x
  3. Step 3: Cross multiply
    14,282.39x = 19,699.61 × 12,289.52
  4. Step 4: Simplify right side
    14,282.39x = 242,098,738.89
  5. Step 5: Solve for x
    x = 242,098,738.89/14,282.39
  6. Step 6: Final answer
    x = 16,950.85

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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.