Home / 9,899.70-14,845.20-2,972.58

Finding the Fourth Proportional to 9,899.70, 14,845.20 and 2,972.58

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Solution

The fourth proportional to 9,899.70, 14,845.20 and 2,972.58 is: 4,457.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,899.70 : 14,845.20 = 2,972.58 : x
  2. Step 2: Convert to fraction form
    9,899.70/14,845.20 = 2,972.58/x
  3. Step 3: Cross multiply
    9,899.70x = 14,845.20 × 2,972.58
  4. Step 4: Simplify right side
    9,899.70x = 44,128,544.62
  5. Step 5: Solve for x
    x = 44,128,544.62/9,899.70
  6. Step 6: Final answer
    x = 4,457.56

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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.