Home / 22,651.14-31,254.93-12,579.39

Finding the Fourth Proportional to 22,651.14, 31,254.93 and 12,579.39

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Solution

The fourth proportional to 22,651.14, 31,254.93 and 12,579.39 is: 17,357.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,651.14 : 31,254.93 = 12,579.39 : x
  2. Step 2: Convert to fraction form
    22,651.14/31,254.93 = 12,579.39/x
  3. Step 3: Cross multiply
    22,651.14x = 31,254.93 × 12,579.39
  4. Step 4: Simplify right side
    22,651.14x = 393,167,953.89
  5. Step 5: Solve for x
    x = 393,167,953.89/22,651.14
  6. Step 6: Final answer
    x = 17,357.53

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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.