Home / 12,636.14-18,939.47-9,506.07

Finding the Fourth Proportional to 12,636.14, 18,939.47 and 9,506.07

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Solution

The fourth proportional to 12,636.14, 18,939.47 and 9,506.07 is: 14,248.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,636.14 : 18,939.47 = 9,506.07 : x
  2. Step 2: Convert to fraction form
    12,636.14/18,939.47 = 9,506.07/x
  3. Step 3: Cross multiply
    12,636.14x = 18,939.47 × 9,506.07
  4. Step 4: Simplify right side
    12,636.14x = 180,039,951.08
  5. Step 5: Solve for x
    x = 180,039,951.08/12,636.14
  6. Step 6: Final answer
    x = 14,248.02

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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.