Home / 21,065.38-31,596.34-6,274.30

Finding the Fourth Proportional to 21,065.38, 31,596.34 and 6,274.30

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Solution

The fourth proportional to 21,065.38, 31,596.34 and 6,274.30 is: 9,410.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,065.38 : 31,596.34 = 6,274.30 : x
  2. Step 2: Convert to fraction form
    21,065.38/31,596.34 = 6,274.30/x
  3. Step 3: Cross multiply
    21,065.38x = 31,596.34 × 6,274.30
  4. Step 4: Simplify right side
    21,065.38x = 198,244,856.78
  5. Step 5: Solve for x
    x = 198,244,856.78/21,065.38
  6. Step 6: Final answer
    x = 9,410.93

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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.