Home / 11,306.07-16,921.02-10,320.57

Finding the Fourth Proportional to 11,306.07, 16,921.02 and 10,320.57

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Solution

The fourth proportional to 11,306.07, 16,921.02 and 10,320.57 is: 15,446.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306.07 : 16,921.02 = 10,320.57 : x
  2. Step 2: Convert to fraction form
    11,306.07/16,921.02 = 10,320.57/x
  3. Step 3: Cross multiply
    11,306.07x = 16,921.02 × 10,320.57
  4. Step 4: Simplify right side
    11,306.07x = 174,634,571.38
  5. Step 5: Solve for x
    x = 174,634,571.38/11,306.07
  6. Step 6: Final answer
    x = 15,446.09

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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.