Home / 14,039.50-21,065.40-6,649.24

Finding the Fourth Proportional to 14,039.50, 21,065.40 and 6,649.24

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Solution

The fourth proportional to 14,039.50, 21,065.40 and 6,649.24 is: 9,976.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.50 : 21,065.40 = 6,649.24 : x
  2. Step 2: Convert to fraction form
    14,039.50/21,065.40 = 6,649.24/x
  3. Step 3: Cross multiply
    14,039.50x = 21,065.40 × 6,649.24
  4. Step 4: Simplify right side
    14,039.50x = 140,068,900.30
  5. Step 5: Solve for x
    x = 140,068,900.30/14,039.50
  6. Step 6: Final answer
    x = 9,976.77

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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.