Home / 22,493.67-31,041.07-12,422.79

Finding the Fourth Proportional to 22,493.67, 31,041.07 and 12,422.79

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Solution

The fourth proportional to 22,493.67, 31,041.07 and 12,422.79 is: 17,143.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,493.67 : 31,041.07 = 12,422.79 : x
  2. Step 2: Convert to fraction form
    22,493.67/31,041.07 = 12,422.79/x
  3. Step 3: Cross multiply
    22,493.67x = 31,041.07 × 12,422.79
  4. Step 4: Simplify right side
    22,493.67x = 385,616,693.99
  5. Step 5: Solve for x
    x = 385,616,693.99/22,493.67
  6. Step 6: Final answer
    x = 17,143.34

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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.