Home / 13,520.76-20,271.91-4,633.68

Finding the Fourth Proportional to 13,520.76, 20,271.91 and 4,633.68

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Solution

The fourth proportional to 13,520.76, 20,271.91 and 4,633.68 is: 6,947.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,520.76 : 20,271.91 = 4,633.68 : x
  2. Step 2: Convert to fraction form
    13,520.76/20,271.91 = 4,633.68/x
  3. Step 3: Cross multiply
    13,520.76x = 20,271.91 × 4,633.68
  4. Step 4: Simplify right side
    13,520.76x = 93,933,543.93
  5. Step 5: Solve for x
    x = 93,933,543.93/13,520.76
  6. Step 6: Final answer
    x = 6,947.36

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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.