Home / 15,084.35-20,814.97-8,710.46

Finding the Fourth Proportional to 15,084.35, 20,814.97 and 8,710.46

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Solution

The fourth proportional to 15,084.35, 20,814.97 and 8,710.46 is: 12,019.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,084.35 : 20,814.97 = 8,710.46 : x
  2. Step 2: Convert to fraction form
    15,084.35/20,814.97 = 8,710.46/x
  3. Step 3: Cross multiply
    15,084.35x = 20,814.97 × 8,710.46
  4. Step 4: Simplify right side
    15,084.35x = 181,307,963.59
  5. Step 5: Solve for x
    x = 181,307,963.59/15,084.35
  6. Step 6: Final answer
    x = 12,019.61

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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.