Home / 13,399.72-20,106.50-6,009.32

Finding the Fourth Proportional to 13,399.72, 20,106.50 and 6,009.32

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Solution

The fourth proportional to 13,399.72, 20,106.50 and 6,009.32 is: 9,017.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,399.72 : 20,106.50 = 6,009.32 : x
  2. Step 2: Convert to fraction form
    13,399.72/20,106.50 = 6,009.32/x
  3. Step 3: Cross multiply
    13,399.72x = 20,106.50 × 6,009.32
  4. Step 4: Simplify right side
    13,399.72x = 120,826,392.58
  5. Step 5: Solve for x
    x = 120,826,392.58/13,399.72
  6. Step 6: Final answer
    x = 9,017.08

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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.