Home / 14,328.92-21,461.78-11,203.94

Finding the Fourth Proportional to 14,328.92, 21,461.78 and 11,203.94

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Solution

The fourth proportional to 14,328.92, 21,461.78 and 11,203.94 is: 16,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.92 : 21,461.78 = 11,203.94 : x
  2. Step 2: Convert to fraction form
    14,328.92/21,461.78 = 11,203.94/x
  3. Step 3: Cross multiply
    14,328.92x = 21,461.78 × 11,203.94
  4. Step 4: Simplify right side
    14,328.92x = 240,456,416.11
  5. Step 5: Solve for x
    x = 240,456,416.11/14,328.92
  6. Step 6: Final answer
    x = 16,781.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.