Home / 17,042.08-23,520.64-9,970.80

Finding the Fourth Proportional to 17,042.08, 23,520.64 and 9,970.80

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Solution

The fourth proportional to 17,042.08, 23,520.64 and 9,970.80 is: 13,761.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,042.08 : 23,520.64 = 9,970.80 : x
  2. Step 2: Convert to fraction form
    17,042.08/23,520.64 = 9,970.80/x
  3. Step 3: Cross multiply
    17,042.08x = 23,520.64 × 9,970.80
  4. Step 4: Simplify right side
    17,042.08x = 234,519,597.31
  5. Step 5: Solve for x
    x = 234,519,597.31/17,042.08
  6. Step 6: Final answer
    x = 13,761.21

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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.