Home / 12,506.13-18,743.48-11,011.68

Finding the Fourth Proportional to 12,506.13, 18,743.48 and 11,011.68

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Solution

The fourth proportional to 12,506.13, 18,743.48 and 11,011.68 is: 16,503.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.13 : 18,743.48 = 11,011.68 : x
  2. Step 2: Convert to fraction form
    12,506.13/18,743.48 = 11,011.68/x
  3. Step 3: Cross multiply
    12,506.13x = 18,743.48 × 11,011.68
  4. Step 4: Simplify right side
    12,506.13x = 206,397,148.79
  5. Step 5: Solve for x
    x = 206,397,148.79/12,506.13
  6. Step 6: Final answer
    x = 16,503.68

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1.5x scale

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.