Home / 18,784.41-28,158.17-7,675.82

Finding the Fourth Proportional to 18,784.41, 28,158.17 and 7,675.82

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Solution

The fourth proportional to 18,784.41, 28,158.17 and 7,675.82 is: 11,506.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784.41 : 28,158.17 = 7,675.82 : x
  2. Step 2: Convert to fraction form
    18,784.41/28,158.17 = 7,675.82/x
  3. Step 3: Cross multiply
    18,784.41x = 28,158.17 × 7,675.82
  4. Step 4: Simplify right side
    18,784.41x = 216,136,865.28
  5. Step 5: Solve for x
    x = 216,136,865.28/18,784.41
  6. Step 6: Final answer
    x = 11,506.18

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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.