Home / 13,643.76-20,452.51-4,277.23

Finding the Fourth Proportional to 13,643.76, 20,452.51 and 4,277.23

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Solution

The fourth proportional to 13,643.76, 20,452.51 and 4,277.23 is: 6,411.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,643.76 : 20,452.51 = 4,277.23 : x
  2. Step 2: Convert to fraction form
    13,643.76/20,452.51 = 4,277.23/x
  3. Step 3: Cross multiply
    13,643.76x = 20,452.51 × 4,277.23
  4. Step 4: Simplify right side
    13,643.76x = 87,480,089.35
  5. Step 5: Solve for x
    x = 87,480,089.35/13,643.76
  6. Step 6: Final answer
    x = 6,411.73

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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.