Home / 21,923.76-30,258.74-12,366.58

Finding the Fourth Proportional to 21,923.76, 30,258.74 and 12,366.58

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Solution

The fourth proportional to 21,923.76, 30,258.74 and 12,366.58 is: 17,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923.76 : 30,258.74 = 12,366.58 : x
  2. Step 2: Convert to fraction form
    21,923.76/30,258.74 = 12,366.58/x
  3. Step 3: Cross multiply
    21,923.76x = 30,258.74 × 12,366.58
  4. Step 4: Simplify right side
    21,923.76x = 374,197,128.91
  5. Step 5: Solve for x
    x = 374,197,128.91/21,923.76
  6. Step 6: Final answer
    x = 17,068.11

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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.