Home / 13,080.59-19,623.61-4,321.65

Finding the Fourth Proportional to 13,080.59, 19,623.61 and 4,321.65

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Solution

The fourth proportional to 13,080.59, 19,623.61 and 4,321.65 is: 6,483.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.59 : 19,623.61 = 4,321.65 : x
  2. Step 2: Convert to fraction form
    13,080.59/19,623.61 = 4,321.65/x
  3. Step 3: Cross multiply
    13,080.59x = 19,623.61 × 4,321.65
  4. Step 4: Simplify right side
    13,080.59x = 84,806,374.16
  5. Step 5: Solve for x
    x = 84,806,374.16/13,080.59
  6. Step 6: Final answer
    x = 6,483.38

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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.