Home / 15,260.58-21,060-8,546.20

Finding the Fourth Proportional to 15,260.58, 21,060 and 8,546.20

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Solution

The fourth proportional to 15,260.58, 21,060 and 8,546.20 is: 11,793.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,260.58 : 21,060 = 8,546.20 : x
  2. Step 2: Convert to fraction form
    15,260.58/21,060 = 8,546.20/x
  3. Step 3: Cross multiply
    15,260.58x = 21,060 × 8,546.20
  4. Step 4: Simplify right side
    15,260.58x = 179,982,972.00
  5. Step 5: Solve for x
    x = 179,982,972.00/15,260.58
  6. Step 6: Final answer
    x = 11,793.98

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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.