Home / 19,925.29-27,504.35-13,213.16

Finding the Fourth Proportional to 19,925.29, 27,504.35 and 13,213.16

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Solution

The fourth proportional to 19,925.29, 27,504.35 and 13,213.16 is: 18,239.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,925.29 : 27,504.35 = 13,213.16 : x
  2. Step 2: Convert to fraction form
    19,925.29/27,504.35 = 13,213.16/x
  3. Step 3: Cross multiply
    19,925.29x = 27,504.35 × 13,213.16
  4. Step 4: Simplify right side
    19,925.29x = 363,419,479.04
  5. Step 5: Solve for x
    x = 363,419,479.04/19,925.29
  6. Step 6: Final answer
    x = 18,239.11

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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.