Home / 13,152.20-19,730.10-4,830.20

Finding the Fourth Proportional to 13,152.20, 19,730.10 and 4,830.20

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Solution

The fourth proportional to 13,152.20, 19,730.10 and 4,830.20 is: 7,245.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152.20 : 19,730.10 = 4,830.20 : x
  2. Step 2: Convert to fraction form
    13,152.20/19,730.10 = 4,830.20/x
  3. Step 3: Cross multiply
    13,152.20x = 19,730.10 × 4,830.20
  4. Step 4: Simplify right side
    13,152.20x = 95,300,329.02
  5. Step 5: Solve for x
    x = 95,300,329.02/13,152.20
  6. Step 6: Final answer
    x = 7,245.96

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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.