Home / 15,260.37-21,060.09-8,545.61

Finding the Fourth Proportional to 15,260.37, 21,060.09 and 8,545.61

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Solution

The fourth proportional to 15,260.37, 21,060.09 and 8,545.61 is: 11,793.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,260.37 : 21,060.09 = 8,545.61 : x
  2. Step 2: Convert to fraction form
    15,260.37/21,060.09 = 8,545.61/x
  3. Step 3: Cross multiply
    15,260.37x = 21,060.09 × 8,545.61
  4. Step 4: Simplify right side
    15,260.37x = 179,971,210.40
  5. Step 5: Solve for x
    x = 179,971,210.40/15,260.37
  6. Step 6: Final answer
    x = 11,793.37

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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.