Home / 13,335.80-20,004.68-4,570.64

Finding the Fourth Proportional to 13,335.80, 20,004.68 and 4,570.64

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Solution

The fourth proportional to 13,335.80, 20,004.68 and 4,570.64 is: 6,856.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.80 : 20,004.68 = 4,570.64 : x
  2. Step 2: Convert to fraction form
    13,335.80/20,004.68 = 4,570.64/x
  3. Step 3: Cross multiply
    13,335.80x = 20,004.68 × 4,570.64
  4. Step 4: Simplify right side
    13,335.80x = 91,434,167.74
  5. Step 5: Solve for x
    x = 91,434,167.74/13,335.80
  6. Step 6: Final answer
    x = 6,856.29

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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.