Home / 13,370.32-20,055.72-4,008.16

Finding the Fourth Proportional to 13,370.32, 20,055.72 and 4,008.16

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Solution

The fourth proportional to 13,370.32, 20,055.72 and 4,008.16 is: 6,012.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.32 : 20,055.72 = 4,008.16 : x
  2. Step 2: Convert to fraction form
    13,370.32/20,055.72 = 4,008.16/x
  3. Step 3: Cross multiply
    13,370.32x = 20,055.72 × 4,008.16
  4. Step 4: Simplify right side
    13,370.32x = 80,386,534.68
  5. Step 5: Solve for x
    x = 80,386,534.68/13,370.32
  6. Step 6: Final answer
    x = 6,012.31

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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.