Home / 12,008.13-18,012.47-9,544.65

Finding the Fourth Proportional to 12,008.13, 18,012.47 and 9,544.65

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Solution

The fourth proportional to 12,008.13, 18,012.47 and 9,544.65 is: 14,317.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008.13 : 18,012.47 = 9,544.65 : x
  2. Step 2: Convert to fraction form
    12,008.13/18,012.47 = 9,544.65/x
  3. Step 3: Cross multiply
    12,008.13x = 18,012.47 × 9,544.65
  4. Step 4: Simplify right side
    12,008.13x = 171,922,674.06
  5. Step 5: Solve for x
    x = 171,922,674.06/12,008.13
  6. Step 6: Final answer
    x = 14,317.19

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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.