Home / 22,386.74-30,894.93-12,958.34

Finding the Fourth Proportional to 22,386.74, 30,894.93 and 12,958.34

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Solution

The fourth proportional to 22,386.74, 30,894.93 and 12,958.34 is: 17,883.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,386.74 : 30,894.93 = 12,958.34 : x
  2. Step 2: Convert to fraction form
    22,386.74/30,894.93 = 12,958.34/x
  3. Step 3: Cross multiply
    22,386.74x = 30,894.93 × 12,958.34
  4. Step 4: Simplify right side
    22,386.74x = 400,347,007.22
  5. Step 5: Solve for x
    x = 400,347,007.22/22,386.74
  6. Step 6: Final answer
    x = 17,883.22

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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.