Home / 14,350.50-21,529.20-4,989.15

Finding the Fourth Proportional to 14,350.50, 21,529.20 and 4,989.15

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Solution

The fourth proportional to 14,350.50, 21,529.20 and 4,989.15 is: 7,484.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,350.50 : 21,529.20 = 4,989.15 : x
  2. Step 2: Convert to fraction form
    14,350.50/21,529.20 = 4,989.15/x
  3. Step 3: Cross multiply
    14,350.50x = 21,529.20 × 4,989.15
  4. Step 4: Simplify right side
    14,350.50x = 107,412,408.18
  5. Step 5: Solve for x
    x = 107,412,408.18/14,350.50
  6. Step 6: Final answer
    x = 7,484.92

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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.