Home / 22,072.86-30,459.88-12,513.63

Finding the Fourth Proportional to 22,072.86, 30,459.88 and 12,513.63

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Solution

The fourth proportional to 22,072.86, 30,459.88 and 12,513.63 is: 17,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,072.86 : 30,459.88 = 12,513.63 : x
  2. Step 2: Convert to fraction form
    22,072.86/30,459.88 = 12,513.63/x
  3. Step 3: Cross multiply
    22,072.86x = 30,459.88 × 12,513.63
  4. Step 4: Simplify right side
    22,072.86x = 381,163,668.16
  5. Step 5: Solve for x
    x = 381,163,668.16/22,072.86
  6. Step 6: Final answer
    x = 17,268.43

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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.