Home / 21,480.49-32,219.45-6,687.32

Finding the Fourth Proportional to 21,480.49, 32,219.45 and 6,687.32

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Solution

The fourth proportional to 21,480.49, 32,219.45 and 6,687.32 is: 10,030.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,480.49 : 32,219.45 = 6,687.32 : x
  2. Step 2: Convert to fraction form
    21,480.49/32,219.45 = 6,687.32/x
  3. Step 3: Cross multiply
    21,480.49x = 32,219.45 × 6,687.32
  4. Step 4: Simplify right side
    21,480.49x = 215,461,738.94
  5. Step 5: Solve for x
    x = 215,461,738.94/21,480.49
  6. Step 6: Final answer
    x = 10,030.58

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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.