Home / 17,137.86-23,658.21-10,858.74

Finding the Fourth Proportional to 17,137.86, 23,658.21 and 10,858.74

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Solution

The fourth proportional to 17,137.86, 23,658.21 and 10,858.74 is: 14,990.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,137.86 : 23,658.21 = 10,858.74 : x
  2. Step 2: Convert to fraction form
    17,137.86/23,658.21 = 10,858.74/x
  3. Step 3: Cross multiply
    17,137.86x = 23,658.21 × 10,858.74
  4. Step 4: Simplify right side
    17,137.86x = 256,898,351.26
  5. Step 5: Solve for x
    x = 256,898,351.26/17,137.86
  6. Step 6: Final answer
    x = 14,990.11

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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.