Home / 13,535.72-20,306.66-4,176.58

Finding the Fourth Proportional to 13,535.72, 20,306.66 and 4,176.58

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Solution

The fourth proportional to 13,535.72, 20,306.66 and 4,176.58 is: 6,265.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.72 : 20,306.66 = 4,176.58 : x
  2. Step 2: Convert to fraction form
    13,535.72/20,306.66 = 4,176.58/x
  3. Step 3: Cross multiply
    13,535.72x = 20,306.66 × 4,176.58
  4. Step 4: Simplify right side
    13,535.72x = 84,812,390.02
  5. Step 5: Solve for x
    x = 84,812,390.02/13,535.72
  6. Step 6: Final answer
    x = 6,265.82

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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.