Home / 19,205.79-26,514.45-13,269.42

Finding the Fourth Proportional to 19,205.79, 26,514.45 and 13,269.42

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Solution

The fourth proportional to 19,205.79, 26,514.45 and 13,269.42 is: 18,319.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.79 : 26,514.45 = 13,269.42 : x
  2. Step 2: Convert to fraction form
    19,205.79/26,514.45 = 13,269.42/x
  3. Step 3: Cross multiply
    19,205.79x = 26,514.45 × 13,269.42
  4. Step 4: Simplify right side
    19,205.79x = 351,831,373.12
  5. Step 5: Solve for x
    x = 351,831,373.12/19,205.79
  6. Step 6: Final answer
    x = 18,319.03

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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.