Home / 15,403.78-22,994.21-13,535.42

Finding the Fourth Proportional to 15,403.78, 22,994.21 and 13,535.42

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Solution

The fourth proportional to 15,403.78, 22,994.21 and 13,535.42 is: 20,205.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,403.78 : 22,994.21 = 13,535.42 : x
  2. Step 2: Convert to fraction form
    15,403.78/22,994.21 = 13,535.42/x
  3. Step 3: Cross multiply
    15,403.78x = 22,994.21 × 13,535.42
  4. Step 4: Simplify right side
    15,403.78x = 311,236,289.92
  5. Step 5: Solve for x
    x = 311,236,289.92/15,403.78
  6. Step 6: Final answer
    x = 20,205.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.