Home / 13,335.57-20,003.36-4,570.56

Finding the Fourth Proportional to 13,335.57, 20,003.36 and 4,570.56

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Solution

The fourth proportional to 13,335.57, 20,003.36 and 4,570.56 is: 6,855.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.57 : 20,003.36 = 4,570.56 : x
  2. Step 2: Convert to fraction form
    13,335.57/20,003.36 = 4,570.56/x
  3. Step 3: Cross multiply
    13,335.57x = 20,003.36 × 4,570.56
  4. Step 4: Simplify right side
    13,335.57x = 91,426,534.23
  5. Step 5: Solve for x
    x = 91,426,534.23/13,335.57
  6. Step 6: Final answer
    x = 6,855.84

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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.