Home / 14,401.80-21,578.40-9,468.90

Finding the Fourth Proportional to 14,401.80, 21,578.40 and 9,468.90

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Solution

The fourth proportional to 14,401.80, 21,578.40 and 9,468.90 is: 14,187.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,401.80 : 21,578.40 = 9,468.90 : x
  2. Step 2: Convert to fraction form
    14,401.80/21,578.40 = 9,468.90/x
  3. Step 3: Cross multiply
    14,401.80x = 21,578.40 × 9,468.90
  4. Step 4: Simplify right side
    14,401.80x = 204,323,711.76
  5. Step 5: Solve for x
    x = 204,323,711.76/14,401.80
  6. Step 6: Final answer
    x = 14,187.37

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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.