Home / 14,161.07-21,212.43-8,303.55

Finding the Fourth Proportional to 14,161.07, 21,212.43 and 8,303.55

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Solution

The fourth proportional to 14,161.07, 21,212.43 and 8,303.55 is: 12,438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.07 : 21,212.43 = 8,303.55 : x
  2. Step 2: Convert to fraction form
    14,161.07/21,212.43 = 8,303.55/x
  3. Step 3: Cross multiply
    14,161.07x = 21,212.43 × 8,303.55
  4. Step 4: Simplify right side
    14,161.07x = 176,138,473.13
  5. Step 5: Solve for x
    x = 176,138,473.13/14,161.07
  6. Step 6: Final answer
    x = 12,438.22

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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.