Home / 13,758.42-20,637.45-3,370.26

Finding the Fourth Proportional to 13,758.42, 20,637.45 and 3,370.26

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Solution

The fourth proportional to 13,758.42, 20,637.45 and 3,370.26 is: 5,055.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,758.42 : 20,637.45 = 3,370.26 : x
  2. Step 2: Convert to fraction form
    13,758.42/20,637.45 = 3,370.26/x
  3. Step 3: Cross multiply
    13,758.42x = 20,637.45 × 3,370.26
  4. Step 4: Simplify right side
    13,758.42x = 69,553,572.24
  5. Step 5: Solve for x
    x = 69,553,572.24/13,758.42
  6. Step 6: Final answer
    x = 5,055.35

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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.