Home / 13,525.16-20,290.14-6,129.32

Finding the Fourth Proportional to 13,525.16, 20,290.14 and 6,129.32

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Solution

The fourth proportional to 13,525.16, 20,290.14 and 6,129.32 is: 9,195.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.16 : 20,290.14 = 6,129.32 : x
  2. Step 2: Convert to fraction form
    13,525.16/20,290.14 = 6,129.32/x
  3. Step 3: Cross multiply
    13,525.16x = 20,290.14 × 6,129.32
  4. Step 4: Simplify right side
    13,525.16x = 124,364,760.90
  5. Step 5: Solve for x
    x = 124,364,760.90/13,525.16
  6. Step 6: Final answer
    x = 9,195.07

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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.