Home / 17,390.69-23,999.15-9,836.86

Finding the Fourth Proportional to 17,390.69, 23,999.15 and 9,836.86

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Solution

The fourth proportional to 17,390.69, 23,999.15 and 9,836.86 is: 13,574.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.69 : 23,999.15 = 9,836.86 : x
  2. Step 2: Convert to fraction form
    17,390.69/23,999.15 = 9,836.86/x
  3. Step 3: Cross multiply
    17,390.69x = 23,999.15 × 9,836.86
  4. Step 4: Simplify right side
    17,390.69x = 236,076,278.67
  5. Step 5: Solve for x
    x = 236,076,278.67/17,390.69
  6. Step 6: Final answer
    x = 13,574.87

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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.