Home / 19,049.22-26,297.04-12,686.40

Finding the Fourth Proportional to 19,049.22, 26,297.04 and 12,686.40

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Solution

The fourth proportional to 19,049.22, 26,297.04 and 12,686.40 is: 17,513.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,049.22 : 26,297.04 = 12,686.40 : x
  2. Step 2: Convert to fraction form
    19,049.22/26,297.04 = 12,686.40/x
  3. Step 3: Cross multiply
    19,049.22x = 26,297.04 × 12,686.40
  4. Step 4: Simplify right side
    19,049.22x = 333,614,768.26
  5. Step 5: Solve for x
    x = 333,614,768.26/19,049.22
  6. Step 6: Final answer
    x = 17,513.30

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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.