Home / 22,328.34-30,811.23-12,256.74

Finding the Fourth Proportional to 22,328.34, 30,811.23 and 12,256.74

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Solution

The fourth proportional to 22,328.34, 30,811.23 and 12,256.74 is: 16,913.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,328.34 : 30,811.23 = 12,256.74 : x
  2. Step 2: Convert to fraction form
    22,328.34/30,811.23 = 12,256.74/x
  3. Step 3: Cross multiply
    22,328.34x = 30,811.23 × 12,256.74
  4. Step 4: Simplify right side
    22,328.34x = 377,645,235.19
  5. Step 5: Solve for x
    x = 377,645,235.19/22,328.34
  6. Step 6: Final answer
    x = 16,913.27

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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.