Home / 15,579.32-23,368.97-12,342.56

Finding the Fourth Proportional to 15,579.32, 23,368.97 and 12,342.56

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Solution

The fourth proportional to 15,579.32, 23,368.97 and 12,342.56 is: 18,513.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,579.32 : 23,368.97 = 12,342.56 : x
  2. Step 2: Convert to fraction form
    15,579.32/23,368.97 = 12,342.56/x
  3. Step 3: Cross multiply
    15,579.32x = 23,368.97 × 12,342.56
  4. Step 4: Simplify right side
    15,579.32x = 288,432,914.36
  5. Step 5: Solve for x
    x = 288,432,914.36/15,579.32
  6. Step 6: Final answer
    x = 18,513.83

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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.