Home / 14,017.20-21,032.40-6,997.76

Finding the Fourth Proportional to 14,017.20, 21,032.40 and 6,997.76

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Solution

The fourth proportional to 14,017.20, 21,032.40 and 6,997.76 is: 10,499.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,017.20 : 21,032.40 = 6,997.76 : x
  2. Step 2: Convert to fraction form
    14,017.20/21,032.40 = 6,997.76/x
  3. Step 3: Cross multiply
    14,017.20x = 21,032.40 × 6,997.76
  4. Step 4: Simplify right side
    14,017.20x = 147,179,687.42
  5. Step 5: Solve for x
    x = 147,179,687.42/14,017.20
  6. Step 6: Final answer
    x = 10,499.93

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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.