Home / 20,154.30-30,209.13-9,744.54

Finding the Fourth Proportional to 20,154.30, 30,209.13 and 9,744.54

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Solution

The fourth proportional to 20,154.30, 30,209.13 and 9,744.54 is: 14,606.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154.30 : 30,209.13 = 9,744.54 : x
  2. Step 2: Convert to fraction form
    20,154.30/30,209.13 = 9,744.54/x
  3. Step 3: Cross multiply
    20,154.30x = 30,209.13 × 9,744.54
  4. Step 4: Simplify right side
    20,154.30x = 294,374,075.65
  5. Step 5: Solve for x
    x = 294,374,075.65/20,154.30
  6. Step 6: Final answer
    x = 14,606.02

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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.