Home / 19,160.84-28,702.86-8,758.28

Finding the Fourth Proportional to 19,160.84, 28,702.86 and 8,758.28

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Solution

The fourth proportional to 19,160.84, 28,702.86 and 8,758.28 is: 13,119.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,160.84 : 28,702.86 = 8,758.28 : x
  2. Step 2: Convert to fraction form
    19,160.84/28,702.86 = 8,758.28/x
  3. Step 3: Cross multiply
    19,160.84x = 28,702.86 × 8,758.28
  4. Step 4: Simplify right side
    19,160.84x = 251,387,684.68
  5. Step 5: Solve for x
    x = 251,387,684.68/19,160.84
  6. Step 6: Final answer
    x = 13,119.87

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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.