Home / 18,379.06-25,368.88-10,426.57

Finding the Fourth Proportional to 18,379.06, 25,368.88 and 10,426.57

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Solution

The fourth proportional to 18,379.06, 25,368.88 and 10,426.57 is: 14,391.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,379.06 : 25,368.88 = 10,426.57 : x
  2. Step 2: Convert to fraction form
    18,379.06/25,368.88 = 10,426.57/x
  3. Step 3: Cross multiply
    18,379.06x = 25,368.88 × 10,426.57
  4. Step 4: Simplify right side
    18,379.06x = 264,510,403.14
  5. Step 5: Solve for x
    x = 264,510,403.14/18,379.06
  6. Step 6: Final answer
    x = 14,391.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.