Home / 15,112.58-22,669.30-7,215.92

Finding the Fourth Proportional to 15,112.58, 22,669.30 and 7,215.92

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Solution

The fourth proportional to 15,112.58, 22,669.30 and 7,215.92 is: 10,824.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,112.58 : 22,669.30 = 7,215.92 : x
  2. Step 2: Convert to fraction form
    15,112.58/22,669.30 = 7,215.92/x
  3. Step 3: Cross multiply
    15,112.58x = 22,669.30 × 7,215.92
  4. Step 4: Simplify right side
    15,112.58x = 163,579,835.94
  5. Step 5: Solve for x
    x = 163,579,835.94/15,112.58
  6. Step 6: Final answer
    x = 10,824.09

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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.