Home / 19,687.50-27,181.04-12,626.24

Finding the Fourth Proportional to 19,687.50, 27,181.04 and 12,626.24

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Solution

The fourth proportional to 19,687.50, 27,181.04 and 12,626.24 is: 17,432.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687.50 : 27,181.04 = 12,626.24 : x
  2. Step 2: Convert to fraction form
    19,687.50/27,181.04 = 12,626.24/x
  3. Step 3: Cross multiply
    19,687.50x = 27,181.04 × 12,626.24
  4. Step 4: Simplify right side
    19,687.50x = 343,194,135.45
  5. Step 5: Solve for x
    x = 343,194,135.45/19,687.50
  6. Step 6: Final answer
    x = 17,432.08

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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.