Home / 19,396.45-26,760.24-12,686.01

Finding the Fourth Proportional to 19,396.45, 26,760.24 and 12,686.01

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Solution

The fourth proportional to 19,396.45, 26,760.24 and 12,686.01 is: 17,502.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.45 : 26,760.24 = 12,686.01 : x
  2. Step 2: Convert to fraction form
    19,396.45/26,760.24 = 12,686.01/x
  3. Step 3: Cross multiply
    19,396.45x = 26,760.24 × 12,686.01
  4. Step 4: Simplify right side
    19,396.45x = 339,480,672.24
  5. Step 5: Solve for x
    x = 339,480,672.24/19,396.45
  6. Step 6: Final answer
    x = 17,502.21

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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.