Home / 17,129.78-23,653.62-14,312.19

Finding the Fourth Proportional to 17,129.78, 23,653.62 and 14,312.19

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Solution

The fourth proportional to 17,129.78, 23,653.62 and 14,312.19 is: 19,762.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,129.78 : 23,653.62 = 14,312.19 : x
  2. Step 2: Convert to fraction form
    17,129.78/23,653.62 = 14,312.19/x
  3. Step 3: Cross multiply
    17,129.78x = 23,653.62 × 14,312.19
  4. Step 4: Simplify right side
    17,129.78x = 338,535,192.33
  5. Step 5: Solve for x
    x = 338,535,192.33/17,129.78
  6. Step 6: Final answer
    x = 19,762.96

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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.