Home / 13,600.18-20,398.35-4,364.98

Finding the Fourth Proportional to 13,600.18, 20,398.35 and 4,364.98

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Solution

The fourth proportional to 13,600.18, 20,398.35 and 4,364.98 is: 6,546.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.18 : 20,398.35 = 4,364.98 : x
  2. Step 2: Convert to fraction form
    13,600.18/20,398.35 = 4,364.98/x
  3. Step 3: Cross multiply
    13,600.18x = 20,398.35 × 4,364.98
  4. Step 4: Simplify right side
    13,600.18x = 89,038,389.78
  5. Step 5: Solve for x
    x = 89,038,389.78/13,600.18
  6. Step 6: Final answer
    x = 6,546.85

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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.