Home / 19,657.40-27,125.43-11,698.34

Finding the Fourth Proportional to 19,657.40, 27,125.43 and 11,698.34

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Solution

The fourth proportional to 19,657.40, 27,125.43 and 11,698.34 is: 16,142.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,657.40 : 27,125.43 = 11,698.34 : x
  2. Step 2: Convert to fraction form
    19,657.40/27,125.43 = 11,698.34/x
  3. Step 3: Cross multiply
    19,657.40x = 27,125.43 × 11,698.34
  4. Step 4: Simplify right side
    19,657.40x = 317,322,502.79
  5. Step 5: Solve for x
    x = 317,322,502.79/19,657.40
  6. Step 6: Final answer
    x = 16,142.65

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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.