Home / 18,934.61-26,126.67-10,975.28

Finding the Fourth Proportional to 18,934.61, 26,126.67 and 10,975.28

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Solution

The fourth proportional to 18,934.61, 26,126.67 and 10,975.28 is: 15,144.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934.61 : 26,126.67 = 10,975.28 : x
  2. Step 2: Convert to fraction form
    18,934.61/26,126.67 = 10,975.28/x
  3. Step 3: Cross multiply
    18,934.61x = 26,126.67 × 10,975.28
  4. Step 4: Simplify right side
    18,934.61x = 286,747,388.08
  5. Step 5: Solve for x
    x = 286,747,388.08/18,934.61
  6. Step 6: Final answer
    x = 15,144.09

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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.