Home / 13,444.32-20,157.12-5,646.72

Finding the Fourth Proportional to 13,444.32, 20,157.12 and 5,646.72

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Solution

The fourth proportional to 13,444.32, 20,157.12 and 5,646.72 is: 8,466.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.32 : 20,157.12 = 5,646.72 : x
  2. Step 2: Convert to fraction form
    13,444.32/20,157.12 = 5,646.72/x
  3. Step 3: Cross multiply
    13,444.32x = 20,157.12 × 5,646.72
  4. Step 4: Simplify right side
    13,444.32x = 113,821,612.65
  5. Step 5: Solve for x
    x = 113,821,612.65/13,444.32
  6. Step 6: Final answer
    x = 8,466.15

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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.