Home / 14,563.70-21,802.35-9,638.90

Finding the Fourth Proportional to 14,563.70, 21,802.35 and 9,638.90

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Solution

The fourth proportional to 14,563.70, 21,802.35 and 9,638.90 is: 14,429.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,563.70 : 21,802.35 = 9,638.90 : x
  2. Step 2: Convert to fraction form
    14,563.70/21,802.35 = 9,638.90/x
  3. Step 3: Cross multiply
    14,563.70x = 21,802.35 × 9,638.90
  4. Step 4: Simplify right side
    14,563.70x = 210,150,671.42
  5. Step 5: Solve for x
    x = 210,150,671.42/14,563.70
  6. Step 6: Final answer
    x = 14,429.76

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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.