Home / 14,049.72-21,057.05-9,038.77

Finding the Fourth Proportional to 14,049.72, 21,057.05 and 9,038.77

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Solution

The fourth proportional to 14,049.72, 21,057.05 and 9,038.77 is: 13,546.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.72 : 21,057.05 = 9,038.77 : x
  2. Step 2: Convert to fraction form
    14,049.72/21,057.05 = 9,038.77/x
  3. Step 3: Cross multiply
    14,049.72x = 21,057.05 × 9,038.77
  4. Step 4: Simplify right side
    14,049.72x = 190,329,801.78
  5. Step 5: Solve for x
    x = 190,329,801.78/14,049.72
  6. Step 6: Final answer
    x = 13,546.88

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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.