Home / 21,057.42-31,585.70-6,276.26

Finding the Fourth Proportional to 21,057.42, 31,585.70 and 6,276.26

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Solution

The fourth proportional to 21,057.42, 31,585.70 and 6,276.26 is: 9,414.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,057.42 : 31,585.70 = 6,276.26 : x
  2. Step 2: Convert to fraction form
    21,057.42/31,585.70 = 6,276.26/x
  3. Step 3: Cross multiply
    21,057.42x = 31,585.70 × 6,276.26
  4. Step 4: Simplify right side
    21,057.42x = 198,240,065.48
  5. Step 5: Solve for x
    x = 198,240,065.48/21,057.42
  6. Step 6: Final answer
    x = 9,414.26

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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.