Home / 13,410.04-20,121.72-6,019.72

Finding the Fourth Proportional to 13,410.04, 20,121.72 and 6,019.72

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Solution

The fourth proportional to 13,410.04, 20,121.72 and 6,019.72 is: 9,032.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410.04 : 20,121.72 = 6,019.72 : x
  2. Step 2: Convert to fraction form
    13,410.04/20,121.72 = 6,019.72/x
  3. Step 3: Cross multiply
    13,410.04x = 20,121.72 × 6,019.72
  4. Step 4: Simplify right side
    13,410.04x = 121,127,120.32
  5. Step 5: Solve for x
    x = 121,127,120.32/13,410.04
  6. Step 6: Final answer
    x = 9,032.57

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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.