Home / 21,416.17-32,116.23-7,372.21

Finding the Fourth Proportional to 21,416.17, 32,116.23 and 7,372.21

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Solution

The fourth proportional to 21,416.17, 32,116.23 and 7,372.21 is: 11,055.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,416.17 : 32,116.23 = 7,372.21 : x
  2. Step 2: Convert to fraction form
    21,416.17/32,116.23 = 7,372.21/x
  3. Step 3: Cross multiply
    21,416.17x = 32,116.23 × 7,372.21
  4. Step 4: Simplify right side
    21,416.17x = 236,767,591.97
  5. Step 5: Solve for x
    x = 236,767,591.97/21,416.17
  6. Step 6: Final answer
    x = 11,055.55

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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.