Home / 19,707.60-27,196.48-12,634.02

Finding the Fourth Proportional to 19,707.60, 27,196.48 and 12,634.02

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Solution

The fourth proportional to 19,707.60, 27,196.48 and 12,634.02 is: 17,434.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.60 : 27,196.48 = 12,634.02 : x
  2. Step 2: Convert to fraction form
    19,707.60/27,196.48 = 12,634.02/x
  3. Step 3: Cross multiply
    19,707.60x = 27,196.48 × 12,634.02
  4. Step 4: Simplify right side
    19,707.60x = 343,600,872.25
  5. Step 5: Solve for x
    x = 343,600,872.25/19,707.60
  6. Step 6: Final answer
    x = 17,434.94

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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.