Home / 21,323.01-29,416.24-12,365.32

Finding the Fourth Proportional to 21,323.01, 29,416.24 and 12,365.32

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Solution

The fourth proportional to 21,323.01, 29,416.24 and 12,365.32 is: 17,058.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,323.01 : 29,416.24 = 12,365.32 : x
  2. Step 2: Convert to fraction form
    21,323.01/29,416.24 = 12,365.32/x
  3. Step 3: Cross multiply
    21,323.01x = 29,416.24 × 12,365.32
  4. Step 4: Simplify right side
    21,323.01x = 363,741,065.58
  5. Step 5: Solve for x
    x = 363,741,065.58/21,323.01
  6. Step 6: Final answer
    x = 17,058.62

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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.