Home / 21,324.15-29,426.99-12,373.19

Finding the Fourth Proportional to 21,324.15, 29,426.99 and 12,373.19

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Solution

The fourth proportional to 21,324.15, 29,426.99 and 12,373.19 is: 17,074.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,324.15 : 29,426.99 = 12,373.19 : x
  2. Step 2: Convert to fraction form
    21,324.15/29,426.99 = 12,373.19/x
  3. Step 3: Cross multiply
    21,324.15x = 29,426.99 × 12,373.19
  4. Step 4: Simplify right side
    21,324.15x = 364,105,738.40
  5. Step 5: Solve for x
    x = 364,105,738.40/21,324.15
  6. Step 6: Final answer
    x = 17,074.81

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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.