Home / 21,083.44-29,095.32-12,705.52

Finding the Fourth Proportional to 21,083.44, 29,095.32 and 12,705.52

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Solution

The fourth proportional to 21,083.44, 29,095.32 and 12,705.52 is: 17,533.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,083.44 : 29,095.32 = 12,705.52 : x
  2. Step 2: Convert to fraction form
    21,083.44/29,095.32 = 12,705.52/x
  3. Step 3: Cross multiply
    21,083.44x = 29,095.32 × 12,705.52
  4. Step 4: Simplify right side
    21,083.44x = 369,671,170.17
  5. Step 5: Solve for x
    x = 369,671,170.17/21,083.44
  6. Step 6: Final answer
    x = 17,533.72

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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.