Home / 14,342.80-21,511.68-3,952.24

Finding the Fourth Proportional to 14,342.80, 21,511.68 and 3,952.24

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Solution

The fourth proportional to 14,342.80, 21,511.68 and 3,952.24 is: 5,927.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.80 : 21,511.68 = 3,952.24 : x
  2. Step 2: Convert to fraction form
    14,342.80/21,511.68 = 3,952.24/x
  3. Step 3: Cross multiply
    14,342.80x = 21,511.68 × 3,952.24
  4. Step 4: Simplify right side
    14,342.80x = 85,019,322.16
  5. Step 5: Solve for x
    x = 85,019,322.16/14,342.80
  6. Step 6: Final answer
    x = 5,927.67

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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.