Home / 21,611.37-32,417.04-6,821.76

Finding the Fourth Proportional to 21,611.37, 32,417.04 and 6,821.76

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Solution

The fourth proportional to 21,611.37, 32,417.04 and 6,821.76 is: 10,232.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,611.37 : 32,417.04 = 6,821.76 : x
  2. Step 2: Convert to fraction form
    21,611.37/32,417.04 = 6,821.76/x
  3. Step 3: Cross multiply
    21,611.37x = 32,417.04 × 6,821.76
  4. Step 4: Simplify right side
    21,611.37x = 221,141,266.79
  5. Step 5: Solve for x
    x = 221,141,266.79/21,611.37
  6. Step 6: Final answer
    x = 10,232.64

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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.