Home / 22,607.63-31,198.37-12,536.08

Finding the Fourth Proportional to 22,607.63, 31,198.37 and 12,536.08

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Solution

The fourth proportional to 22,607.63, 31,198.37 and 12,536.08 is: 17,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,607.63 : 31,198.37 = 12,536.08 : x
  2. Step 2: Convert to fraction form
    22,607.63/31,198.37 = 12,536.08/x
  3. Step 3: Cross multiply
    22,607.63x = 31,198.37 × 12,536.08
  4. Step 4: Simplify right side
    22,607.63x = 391,105,262.19
  5. Step 5: Solve for x
    x = 391,105,262.19/22,607.63
  6. Step 6: Final answer
    x = 17,299.70

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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.