Home / 14,118.86-21,178.48-9,735.14

Finding the Fourth Proportional to 14,118.86, 21,178.48 and 9,735.14

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Solution

The fourth proportional to 14,118.86, 21,178.48 and 9,735.14 is: 14,602.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.86 : 21,178.48 = 9,735.14 : x
  2. Step 2: Convert to fraction form
    14,118.86/21,178.48 = 9,735.14/x
  3. Step 3: Cross multiply
    14,118.86x = 21,178.48 × 9,735.14
  4. Step 4: Simplify right side
    14,118.86x = 206,175,467.79
  5. Step 5: Solve for x
    x = 206,175,467.79/14,118.86
  6. Step 6: Final answer
    x = 14,602.84

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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.