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Finding the Fourth Proportional to 15,021, 22,539.54 and 9,754.77

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Solution

The fourth proportional to 15,021, 22,539.54 and 9,754.77 is: 14,637.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,021 : 22,539.54 = 9,754.77 : x
  2. Step 2: Convert to fraction form
    15,021/22,539.54 = 9,754.77/x
  3. Step 3: Cross multiply
    15,021x = 22,539.54 × 9,754.77
  4. Step 4: Simplify right side
    15,021x = 219,868,028.61
  5. Step 5: Solve for x
    x = 219,868,028.61/15,021
  6. Step 6: Final answer
    x = 14,637.38

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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.