Home / 14,699.28-20,283.79-8,648.54

Finding the Fourth Proportional to 14,699.28, 20,283.79 and 8,648.54

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Solution

The fourth proportional to 14,699.28, 20,283.79 and 8,648.54 is: 11,934.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,699.28 : 20,283.79 = 8,648.54 : x
  2. Step 2: Convert to fraction form
    14,699.28/20,283.79 = 8,648.54/x
  3. Step 3: Cross multiply
    14,699.28x = 20,283.79 × 8,648.54
  4. Step 4: Simplify right side
    14,699.28x = 175,425,213.53
  5. Step 5: Solve for x
    x = 175,425,213.53/14,699.28
  6. Step 6: Final answer
    x = 11,934.28

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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.