Home / 17,147.39-23,671.48-12,900.07

Finding the Fourth Proportional to 17,147.39, 23,671.48 and 12,900.07

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Solution

The fourth proportional to 17,147.39, 23,671.48 and 12,900.07 is: 17,808.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,147.39 : 23,671.48 = 12,900.07 : x
  2. Step 2: Convert to fraction form
    17,147.39/23,671.48 = 12,900.07/x
  3. Step 3: Cross multiply
    17,147.39x = 23,671.48 × 12,900.07
  4. Step 4: Simplify right side
    17,147.39x = 305,363,637.38
  5. Step 5: Solve for x
    x = 305,363,637.38/17,147.39
  6. Step 6: Final answer
    x = 17,808.18

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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.