Home / 16,830.40-23,240.64-10,553.60

Finding the Fourth Proportional to 16,830.40, 23,240.64 and 10,553.60

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Solution

The fourth proportional to 16,830.40, 23,240.64 and 10,553.60 is: 14,573.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,830.40 : 23,240.64 = 10,553.60 : x
  2. Step 2: Convert to fraction form
    16,830.40/23,240.64 = 10,553.60/x
  3. Step 3: Cross multiply
    16,830.40x = 23,240.64 × 10,553.60
  4. Step 4: Simplify right side
    16,830.40x = 245,272,418.30
  5. Step 5: Solve for x
    x = 245,272,418.30/16,830.40
  6. Step 6: Final answer
    x = 14,573.18

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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.