Home / 12,748.18-17,585.40-11,846.12

Finding the Fourth Proportional to 12,748.18, 17,585.40 and 11,846.12

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Solution

The fourth proportional to 12,748.18, 17,585.40 and 11,846.12 is: 16,341.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748.18 : 17,585.40 = 11,846.12 : x
  2. Step 2: Convert to fraction form
    12,748.18/17,585.40 = 11,846.12/x
  3. Step 3: Cross multiply
    12,748.18x = 17,585.40 × 11,846.12
  4. Step 4: Simplify right side
    12,748.18x = 208,318,758.65
  5. Step 5: Solve for x
    x = 208,318,758.65/12,748.18
  6. Step 6: Final answer
    x = 16,341.06

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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.