Home / 21,453.51-32,189.55-11,599.77

Finding the Fourth Proportional to 21,453.51, 32,189.55 and 11,599.77

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Solution

The fourth proportional to 21,453.51, 32,189.55 and 11,599.77 is: 17,404.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,453.51 : 32,189.55 = 11,599.77 : x
  2. Step 2: Convert to fraction form
    21,453.51/32,189.55 = 11,599.77/x
  3. Step 3: Cross multiply
    21,453.51x = 32,189.55 × 11,599.77
  4. Step 4: Simplify right side
    21,453.51x = 373,391,376.40
  5. Step 5: Solve for x
    x = 373,391,376.40/21,453.51
  6. Step 6: Final answer
    x = 17,404.68

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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.