Home / 21,390.89-32,087.24-6,599.48

Finding the Fourth Proportional to 21,390.89, 32,087.24 and 6,599.48

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Solution

The fourth proportional to 21,390.89, 32,087.24 and 6,599.48 is: 9,899.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,390.89 : 32,087.24 = 6,599.48 : x
  2. Step 2: Convert to fraction form
    21,390.89/32,087.24 = 6,599.48/x
  3. Step 3: Cross multiply
    21,390.89x = 32,087.24 × 6,599.48
  4. Step 4: Simplify right side
    21,390.89x = 211,758,929.95
  5. Step 5: Solve for x
    x = 211,758,929.95/21,390.89
  6. Step 6: Final answer
    x = 9,899.49

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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.