Home / 13,950.08-20,924.67-3,420.12

Finding the Fourth Proportional to 13,950.08, 20,924.67 and 3,420.12

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Solution

The fourth proportional to 13,950.08, 20,924.67 and 3,420.12 is: 5,130.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.08 : 20,924.67 = 3,420.12 : x
  2. Step 2: Convert to fraction form
    13,950.08/20,924.67 = 3,420.12/x
  3. Step 3: Cross multiply
    13,950.08x = 20,924.67 × 3,420.12
  4. Step 4: Simplify right side
    13,950.08x = 71,564,973.65
  5. Step 5: Solve for x
    x = 71,564,973.65/13,950.08
  6. Step 6: Final answer
    x = 5,130.08

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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.