Home / 14,122.23-19,486.41-8,753.15

Finding the Fourth Proportional to 14,122.23, 19,486.41 and 8,753.15

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Solution

The fourth proportional to 14,122.23, 19,486.41 and 8,753.15 is: 12,077.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.23 : 19,486.41 = 8,753.15 : x
  2. Step 2: Convert to fraction form
    14,122.23/19,486.41 = 8,753.15/x
  3. Step 3: Cross multiply
    14,122.23x = 19,486.41 × 8,753.15
  4. Step 4: Simplify right side
    14,122.23x = 170,567,372.26
  5. Step 5: Solve for x
    x = 170,567,372.26/14,122.23
  6. Step 6: Final answer
    x = 12,077.93

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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.