Home / 14,199.08-21,299.58-5,315.24

Finding the Fourth Proportional to 14,199.08, 21,299.58 and 5,315.24

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Solution

The fourth proportional to 14,199.08, 21,299.58 and 5,315.24 is: 7,973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,199.08 : 21,299.58 = 5,315.24 : x
  2. Step 2: Convert to fraction form
    14,199.08/21,299.58 = 5,315.24/x
  3. Step 3: Cross multiply
    14,199.08x = 21,299.58 × 5,315.24
  4. Step 4: Simplify right side
    14,199.08x = 113,212,379.60
  5. Step 5: Solve for x
    x = 113,212,379.60/14,199.08
  6. Step 6: Final answer
    x = 7,973.22

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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.