Home / 21,246.52-29,326.38-14,172.93

Finding the Fourth Proportional to 21,246.52, 29,326.38 and 14,172.93

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Solution

The fourth proportional to 21,246.52, 29,326.38 and 14,172.93 is: 19,562.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,246.52 : 29,326.38 = 14,172.93 : x
  2. Step 2: Convert to fraction form
    21,246.52/29,326.38 = 14,172.93/x
  3. Step 3: Cross multiply
    21,246.52x = 29,326.38 × 14,172.93
  4. Step 4: Simplify right side
    21,246.52x = 415,640,730.89
  5. Step 5: Solve for x
    x = 415,640,730.89/21,246.52
  6. Step 6: Final answer
    x = 19,562.77

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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.