Home / 15,890.58-23,835.87-4,203.70

Finding the Fourth Proportional to 15,890.58, 23,835.87 and 4,203.70

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Solution

The fourth proportional to 15,890.58, 23,835.87 and 4,203.70 is: 6,305.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,890.58 : 23,835.87 = 4,203.70 : x
  2. Step 2: Convert to fraction form
    15,890.58/23,835.87 = 4,203.70/x
  3. Step 3: Cross multiply
    15,890.58x = 23,835.87 × 4,203.70
  4. Step 4: Simplify right side
    15,890.58x = 100,198,787.13
  5. Step 5: Solve for x
    x = 100,198,787.13/15,890.58
  6. Step 6: Final answer
    x = 6,305.55

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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.