Home / 22,386.24-30,894.24-12,957.84

Finding the Fourth Proportional to 22,386.24, 30,894.24 and 12,957.84

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Solution

The fourth proportional to 22,386.24, 30,894.24 and 12,957.84 is: 17,882.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,386.24 : 30,894.24 = 12,957.84 : x
  2. Step 2: Convert to fraction form
    22,386.24/30,894.24 = 12,957.84/x
  3. Step 3: Cross multiply
    22,386.24x = 30,894.24 × 12,957.84
  4. Step 4: Simplify right side
    22,386.24x = 400,322,618.84
  5. Step 5: Solve for x
    x = 400,322,618.84/22,386.24
  6. Step 6: Final answer
    x = 17,882.53

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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.