Home / 21,048.76-29,051.06-12,551.44

Finding the Fourth Proportional to 21,048.76, 29,051.06 and 12,551.44

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Solution

The fourth proportional to 21,048.76, 29,051.06 and 12,551.44 is: 17,323.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048.76 : 29,051.06 = 12,551.44 : x
  2. Step 2: Convert to fraction form
    21,048.76/29,051.06 = 12,551.44/x
  3. Step 3: Cross multiply
    21,048.76x = 29,051.06 × 12,551.44
  4. Step 4: Simplify right side
    21,048.76x = 364,632,636.53
  5. Step 5: Solve for x
    x = 364,632,636.53/21,048.76
  6. Step 6: Final answer
    x = 17,323.24

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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.