Home / 13,494.05-20,240.91-7,570.92

Finding the Fourth Proportional to 13,494.05, 20,240.91 and 7,570.92

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Solution

The fourth proportional to 13,494.05, 20,240.91 and 7,570.92 is: 11,356.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494.05 : 20,240.91 = 7,570.92 : x
  2. Step 2: Convert to fraction form
    13,494.05/20,240.91 = 7,570.92/x
  3. Step 3: Cross multiply
    13,494.05x = 20,240.91 × 7,570.92
  4. Step 4: Simplify right side
    13,494.05x = 153,242,310.34
  5. Step 5: Solve for x
    x = 153,242,310.34/13,494.05
  6. Step 6: Final answer
    x = 11,356.29

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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.