Home / 13,610.98-20,403.51-4,370.50

Finding the Fourth Proportional to 13,610.98, 20,403.51 and 4,370.50

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Solution

The fourth proportional to 13,610.98, 20,403.51 and 4,370.50 is: 6,551.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610.98 : 20,403.51 = 4,370.50 : x
  2. Step 2: Convert to fraction form
    13,610.98/20,403.51 = 4,370.50/x
  3. Step 3: Cross multiply
    13,610.98x = 20,403.51 × 4,370.50
  4. Step 4: Simplify right side
    13,610.98x = 89,173,540.46
  5. Step 5: Solve for x
    x = 89,173,540.46/13,610.98
  6. Step 6: Final answer
    x = 6,551.59

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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.