Home / 15,260.12-21,059.44-8,545.72

Finding the Fourth Proportional to 15,260.12, 21,059.44 and 8,545.72

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Solution

The fourth proportional to 15,260.12, 21,059.44 and 8,545.72 is: 11,793.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,260.12 : 21,059.44 = 8,545.72 : x
  2. Step 2: Convert to fraction form
    15,260.12/21,059.44 = 8,545.72/x
  3. Step 3: Cross multiply
    15,260.12x = 21,059.44 × 8,545.72
  4. Step 4: Simplify right side
    15,260.12x = 179,968,077.60
  5. Step 5: Solve for x
    x = 179,968,077.60/15,260.12
  6. Step 6: Final answer
    x = 11,793.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.