Home / 13,570.68-20,356.74-3,708.74

Finding the Fourth Proportional to 13,570.68, 20,356.74 and 3,708.74

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Solution

The fourth proportional to 13,570.68, 20,356.74 and 3,708.74 is: 5,563.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570.68 : 20,356.74 = 3,708.74 : x
  2. Step 2: Convert to fraction form
    13,570.68/20,356.74 = 3,708.74/x
  3. Step 3: Cross multiply
    13,570.68x = 20,356.74 × 3,708.74
  4. Step 4: Simplify right side
    13,570.68x = 75,497,855.91
  5. Step 5: Solve for x
    x = 75,497,855.91/13,570.68
  6. Step 6: Final answer
    x = 5,563.31

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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.