Home / 21,634.76-32,455.49-9,154.89

Finding the Fourth Proportional to 21,634.76, 32,455.49 and 9,154.89

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Solution

The fourth proportional to 21,634.76, 32,455.49 and 9,154.89 is: 13,733.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,634.76 : 32,455.49 = 9,154.89 : x
  2. Step 2: Convert to fraction form
    21,634.76/32,455.49 = 9,154.89/x
  3. Step 3: Cross multiply
    21,634.76x = 32,455.49 × 9,154.89
  4. Step 4: Simplify right side
    21,634.76x = 297,126,395.07
  5. Step 5: Solve for x
    x = 297,126,395.07/21,634.76
  6. Step 6: Final answer
    x = 13,733.75

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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.