Home / 14,367.32-21,445.67-13,311.92

Finding the Fourth Proportional to 14,367.32, 21,445.67 and 13,311.92

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Solution

The fourth proportional to 14,367.32, 21,445.67 and 13,311.92 is: 19,870.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,367.32 : 21,445.67 = 13,311.92 : x
  2. Step 2: Convert to fraction form
    14,367.32/21,445.67 = 13,311.92/x
  3. Step 3: Cross multiply
    14,367.32x = 21,445.67 × 13,311.92
  4. Step 4: Simplify right side
    14,367.32x = 285,483,043.39
  5. Step 5: Solve for x
    x = 285,483,043.39/14,367.32
  6. Step 6: Final answer
    x = 19,870.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.