Home / 12,209.04-18,313.40-2,975.12

Finding the Fourth Proportional to 12,209.04, 18,313.40 and 2,975.12

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Solution

The fourth proportional to 12,209.04, 18,313.40 and 2,975.12 is: 4,462.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209.04 : 18,313.40 = 2,975.12 : x
  2. Step 2: Convert to fraction form
    12,209.04/18,313.40 = 2,975.12/x
  3. Step 3: Cross multiply
    12,209.04x = 18,313.40 × 2,975.12
  4. Step 4: Simplify right side
    12,209.04x = 54,484,562.61
  5. Step 5: Solve for x
    x = 54,484,562.61/12,209.04
  6. Step 6: Final answer
    x = 4,462.64

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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.