Home / 13,084.31-19,624.53-4,319.30

Finding the Fourth Proportional to 13,084.31, 19,624.53 and 4,319.30

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Solution

The fourth proportional to 13,084.31, 19,624.53 and 4,319.30 is: 6,478.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084.31 : 19,624.53 = 4,319.30 : x
  2. Step 2: Convert to fraction form
    13,084.31/19,624.53 = 4,319.30/x
  3. Step 3: Cross multiply
    13,084.31x = 19,624.53 × 4,319.30
  4. Step 4: Simplify right side
    13,084.31x = 84,764,134.31
  5. Step 5: Solve for x
    x = 84,764,134.31/13,084.31
  6. Step 6: Final answer
    x = 6,478.31

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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.