Home / 13,080.70-19,620.96-4,316.32

Finding the Fourth Proportional to 13,080.70, 19,620.96 and 4,316.32

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Solution

The fourth proportional to 13,080.70, 19,620.96 and 4,316.32 is: 6,474.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.70 : 19,620.96 = 4,316.32 : x
  2. Step 2: Convert to fraction form
    13,080.70/19,620.96 = 4,316.32/x
  3. Step 3: Cross multiply
    13,080.70x = 19,620.96 × 4,316.32
  4. Step 4: Simplify right side
    13,080.70x = 84,690,342.07
  5. Step 5: Solve for x
    x = 84,690,342.07/13,080.70
  6. Step 6: Final answer
    x = 6,474.45

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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.