Home / 13,390.37-20,085.44-4,030.34

Finding the Fourth Proportional to 13,390.37, 20,085.44 and 4,030.34

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Solution

The fourth proportional to 13,390.37, 20,085.44 and 4,030.34 is: 6,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,390.37 : 20,085.44 = 4,030.34 : x
  2. Step 2: Convert to fraction form
    13,390.37/20,085.44 = 4,030.34/x
  3. Step 3: Cross multiply
    13,390.37x = 20,085.44 × 4,030.34
  4. Step 4: Simplify right side
    13,390.37x = 80,951,152.25
  5. Step 5: Solve for x
    x = 80,951,152.25/13,390.37
  6. Step 6: Final answer
    x = 6,045.48

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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.