Home / 13,967.40-20,933.82-8,403.24

Finding the Fourth Proportional to 13,967.40, 20,933.82 and 8,403.24

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Solution

The fourth proportional to 13,967.40, 20,933.82 and 8,403.24 is: 12,594.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,967.40 : 20,933.82 = 8,403.24 : x
  2. Step 2: Convert to fraction form
    13,967.40/20,933.82 = 8,403.24/x
  3. Step 3: Cross multiply
    13,967.40x = 20,933.82 × 8,403.24
  4. Step 4: Simplify right side
    13,967.40x = 175,911,913.58
  5. Step 5: Solve for x
    x = 175,911,913.58/13,967.40
  6. Step 6: Final answer
    x = 12,594.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.