Home / 18,934.26-26,130.42-10,436.37

Finding the Fourth Proportional to 18,934.26, 26,130.42 and 10,436.37

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Solution

The fourth proportional to 18,934.26, 26,130.42 and 10,436.37 is: 14,402.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934.26 : 26,130.42 = 10,436.37 : x
  2. Step 2: Convert to fraction form
    18,934.26/26,130.42 = 10,436.37/x
  3. Step 3: Cross multiply
    18,934.26x = 26,130.42 × 10,436.37
  4. Step 4: Simplify right side
    18,934.26x = 272,706,731.38
  5. Step 5: Solve for x
    x = 272,706,731.38/18,934.26
  6. Step 6: Final answer
    x = 14,402.82

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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.