Home / 13,637.57-20,454.73-4,277.81

Finding the Fourth Proportional to 13,637.57, 20,454.73 and 4,277.81

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Solution

The fourth proportional to 13,637.57, 20,454.73 and 4,277.81 is: 6,416.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.57 : 20,454.73 = 4,277.81 : x
  2. Step 2: Convert to fraction form
    13,637.57/20,454.73 = 4,277.81/x
  3. Step 3: Cross multiply
    13,637.57x = 20,454.73 × 4,277.81
  4. Step 4: Simplify right side
    13,637.57x = 87,501,488.98
  5. Step 5: Solve for x
    x = 87,501,488.98/13,637.57
  6. Step 6: Final answer
    x = 6,416.21

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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.