Home / 15,415.58-23,123.36-4,323.92

Finding the Fourth Proportional to 15,415.58, 23,123.36 and 4,323.92

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Solution

The fourth proportional to 15,415.58, 23,123.36 and 4,323.92 is: 6,485.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415.58 : 23,123.36 = 4,323.92 : x
  2. Step 2: Convert to fraction form
    15,415.58/23,123.36 = 4,323.92/x
  3. Step 3: Cross multiply
    15,415.58x = 23,123.36 × 4,323.92
  4. Step 4: Simplify right side
    15,415.58x = 99,983,453.96
  5. Step 5: Solve for x
    x = 99,983,453.96/15,415.58
  6. Step 6: Final answer
    x = 6,485.87

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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.