Home / 13,059.54-19,589.31-7,521.30

Finding the Fourth Proportional to 13,059.54, 19,589.31 and 7,521.30

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Solution

The fourth proportional to 13,059.54, 19,589.31 and 7,521.30 is: 11,281.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,059.54 : 19,589.31 = 7,521.30 : x
  2. Step 2: Convert to fraction form
    13,059.54/19,589.31 = 7,521.30/x
  3. Step 3: Cross multiply
    13,059.54x = 19,589.31 × 7,521.30
  4. Step 4: Simplify right side
    13,059.54x = 147,337,077.30
  5. Step 5: Solve for x
    x = 147,337,077.30/13,059.54
  6. Step 6: Final answer
    x = 11,281.95

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Similar ratio
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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.