Home / 21,391.05-32,089.75-7,354.70

Finding the Fourth Proportional to 21,391.05, 32,089.75 and 7,354.70

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Solution

The fourth proportional to 21,391.05, 32,089.75 and 7,354.70 is: 11,033.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,391.05 : 32,089.75 = 7,354.70 : x
  2. Step 2: Convert to fraction form
    21,391.05/32,089.75 = 7,354.70/x
  3. Step 3: Cross multiply
    21,391.05x = 32,089.75 × 7,354.70
  4. Step 4: Simplify right side
    21,391.05x = 236,010,287.10
  5. Step 5: Solve for x
    x = 236,010,287.10/21,391.05
  6. Step 6: Final answer
    x = 11,033.13

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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.