Home / 13,065.20-19,590.60-4,295.60

Finding the Fourth Proportional to 13,065.20, 19,590.60 and 4,295.60

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Solution

The fourth proportional to 13,065.20, 19,590.60 and 4,295.60 is: 6,441.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065.20 : 19,590.60 = 4,295.60 : x
  2. Step 2: Convert to fraction form
    13,065.20/19,590.60 = 4,295.60/x
  3. Step 3: Cross multiply
    13,065.20x = 19,590.60 × 4,295.60
  4. Step 4: Simplify right side
    13,065.20x = 84,153,381.36
  5. Step 5: Solve for x
    x = 84,153,381.36/13,065.20
  6. Step 6: Final answer
    x = 6,441.03

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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.