Home / 14,206.91-19,613.94-12,630.65

Finding the Fourth Proportional to 14,206.91, 19,613.94 and 12,630.65

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Solution

The fourth proportional to 14,206.91, 19,613.94 and 12,630.65 is: 17,437.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,206.91 : 19,613.94 = 12,630.65 : x
  2. Step 2: Convert to fraction form
    14,206.91/19,613.94 = 12,630.65/x
  3. Step 3: Cross multiply
    14,206.91x = 19,613.94 × 12,630.65
  4. Step 4: Simplify right side
    14,206.91x = 247,736,811.26
  5. Step 5: Solve for x
    x = 247,736,811.26/14,206.91
  6. Step 6: Final answer
    x = 17,437.77

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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.