Home / 21,403.05-32,102.55-7,361.70

Finding the Fourth Proportional to 21,403.05, 32,102.55 and 7,361.70

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Solution

The fourth proportional to 21,403.05, 32,102.55 and 7,361.70 is: 11,041.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,403.05 : 32,102.55 = 7,361.70 : x
  2. Step 2: Convert to fraction form
    21,403.05/32,102.55 = 7,361.70/x
  3. Step 3: Cross multiply
    21,403.05x = 32,102.55 × 7,361.70
  4. Step 4: Simplify right side
    21,403.05x = 236,329,342.34
  5. Step 5: Solve for x
    x = 236,329,342.34/21,403.05
  6. Step 6: Final answer
    x = 11,041.85

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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.