Home / 14,878.83-20,532.79-8,505.56

Finding the Fourth Proportional to 14,878.83, 20,532.79 and 8,505.56

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Solution

The fourth proportional to 14,878.83, 20,532.79 and 8,505.56 is: 11,737.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,878.83 : 20,532.79 = 8,505.56 : x
  2. Step 2: Convert to fraction form
    14,878.83/20,532.79 = 8,505.56/x
  3. Step 3: Cross multiply
    14,878.83x = 20,532.79 × 8,505.56
  4. Step 4: Simplify right side
    14,878.83x = 174,642,877.31
  5. Step 5: Solve for x
    x = 174,642,877.31/14,878.83
  6. Step 6: Final answer
    x = 11,737.68

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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.