Home / 14,401.80-19,730.58-13,862.52

Finding the Fourth Proportional to 14,401.80, 19,730.58 and 13,862.52

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Solution

The fourth proportional to 14,401.80, 19,730.58 and 13,862.52 is: 18,991.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,401.80 : 19,730.58 = 13,862.52 : x
  2. Step 2: Convert to fraction form
    14,401.80/19,730.58 = 13,862.52/x
  3. Step 3: Cross multiply
    14,401.80x = 19,730.58 × 13,862.52
  4. Step 4: Simplify right side
    14,401.80x = 273,515,559.86
  5. Step 5: Solve for x
    x = 273,515,559.86/14,401.80
  6. Step 6: Final answer
    x = 18,991.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.