Home / 14,753.09-20,358.50-8,038.28

Finding the Fourth Proportional to 14,753.09, 20,358.50 and 8,038.28

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Solution

The fourth proportional to 14,753.09, 20,358.50 and 8,038.28 is: 11,092.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,753.09 : 20,358.50 = 8,038.28 : x
  2. Step 2: Convert to fraction form
    14,753.09/20,358.50 = 8,038.28/x
  3. Step 3: Cross multiply
    14,753.09x = 20,358.50 × 8,038.28
  4. Step 4: Simplify right side
    14,753.09x = 163,647,181.40
  5. Step 5: Solve for x
    x = 163,647,181.40/14,753.09
  6. Step 6: Final answer
    x = 11,092.40

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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.