Home / 14,828.28-20,461.05-8,539.44

Finding the Fourth Proportional to 14,828.28, 20,461.05 and 8,539.44

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Solution

The fourth proportional to 14,828.28, 20,461.05 and 8,539.44 is: 11,783.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,828.28 : 20,461.05 = 8,539.44 : x
  2. Step 2: Convert to fraction form
    14,828.28/20,461.05 = 8,539.44/x
  3. Step 3: Cross multiply
    14,828.28x = 20,461.05 × 8,539.44
  4. Step 4: Simplify right side
    14,828.28x = 174,725,908.81
  5. Step 5: Solve for x
    x = 174,725,908.81/14,828.28
  6. Step 6: Final answer
    x = 11,783.29

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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.