Home / 14,649.90-20,219.67-9,350.70

Finding the Fourth Proportional to 14,649.90, 20,219.67 and 9,350.70

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Solution

The fourth proportional to 14,649.90, 20,219.67 and 9,350.70 is: 12,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.90 : 20,219.67 = 9,350.70 : x
  2. Step 2: Convert to fraction form
    14,649.90/20,219.67 = 9,350.70/x
  3. Step 3: Cross multiply
    14,649.90x = 20,219.67 × 9,350.70
  4. Step 4: Simplify right side
    14,649.90x = 189,068,068.27
  5. Step 5: Solve for x
    x = 189,068,068.27/14,649.90
  6. Step 6: Final answer
    x = 12,905.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.