Home / 22,079.07-30,460.13-12,516.93

Finding the Fourth Proportional to 22,079.07, 30,460.13 and 12,516.93

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Solution

The fourth proportional to 22,079.07, 30,460.13 and 12,516.93 is: 17,268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,079.07 : 30,460.13 = 12,516.93 : x
  2. Step 2: Convert to fraction form
    22,079.07/30,460.13 = 12,516.93/x
  3. Step 3: Cross multiply
    22,079.07x = 30,460.13 × 12,516.93
  4. Step 4: Simplify right side
    22,079.07x = 381,267,299.35
  5. Step 5: Solve for x
    x = 381,267,299.35/22,079.07
  6. Step 6: Final answer
    x = 17,268.27

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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.