Home / 14,141.02-21,202.80-4,780.15

Finding the Fourth Proportional to 14,141.02, 21,202.80 and 4,780.15

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Solution

The fourth proportional to 14,141.02, 21,202.80 and 4,780.15 is: 7,167.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.02 : 21,202.80 = 4,780.15 : x
  2. Step 2: Convert to fraction form
    14,141.02/21,202.80 = 4,780.15/x
  3. Step 3: Cross multiply
    14,141.02x = 21,202.80 × 4,780.15
  4. Step 4: Simplify right side
    14,141.02x = 101,352,564.42
  5. Step 5: Solve for x
    x = 101,352,564.42/14,141.02
  6. Step 6: Final answer
    x = 7,167.27

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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.