Home / 14,178.07-19,564.90-8,209.32

Finding the Fourth Proportional to 14,178.07, 19,564.90 and 8,209.32

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Solution

The fourth proportional to 14,178.07, 19,564.90 and 8,209.32 is: 11,328.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.07 : 19,564.90 = 8,209.32 : x
  2. Step 2: Convert to fraction form
    14,178.07/19,564.90 = 8,209.32/x
  3. Step 3: Cross multiply
    14,178.07x = 19,564.90 × 8,209.32
  4. Step 4: Simplify right side
    14,178.07x = 160,614,524.87
  5. Step 5: Solve for x
    x = 160,614,524.87/14,178.07
  6. Step 6: Final answer
    x = 11,328.38

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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.