Home / 14,370.23-21,555.36-3,981.98

Finding the Fourth Proportional to 14,370.23, 21,555.36 and 3,981.98

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Solution

The fourth proportional to 14,370.23, 21,555.36 and 3,981.98 is: 5,972.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.23 : 21,555.36 = 3,981.98 : x
  2. Step 2: Convert to fraction form
    14,370.23/21,555.36 = 3,981.98/x
  3. Step 3: Cross multiply
    14,370.23x = 21,555.36 × 3,981.98
  4. Step 4: Simplify right side
    14,370.23x = 85,833,051.37
  5. Step 5: Solve for x
    x = 85,833,051.37/14,370.23
  6. Step 6: Final answer
    x = 5,972.98

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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.