Home / 14,355.78-21,532.23-4,994.88

Finding the Fourth Proportional to 14,355.78, 21,532.23 and 4,994.88

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Solution

The fourth proportional to 14,355.78, 21,532.23 and 4,994.88 is: 7,491.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,355.78 : 21,532.23 = 4,994.88 : x
  2. Step 2: Convert to fraction form
    14,355.78/21,532.23 = 4,994.88/x
  3. Step 3: Cross multiply
    14,355.78x = 21,532.23 × 4,994.88
  4. Step 4: Simplify right side
    14,355.78x = 107,550,904.98
  5. Step 5: Solve for x
    x = 107,550,904.98/14,355.78
  6. Step 6: Final answer
    x = 7,491.82

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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.