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Finding the Fourth Proportional to 10,014.84, 15,021.18 and 3,440.88

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Solution

The fourth proportional to 10,014.84, 15,021.18 and 3,440.88 is: 5,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.84 : 15,021.18 = 3,440.88 : x
  2. Step 2: Convert to fraction form
    10,014.84/15,021.18 = 3,440.88/x
  3. Step 3: Cross multiply
    10,014.84x = 15,021.18 × 3,440.88
  4. Step 4: Simplify right side
    10,014.84x = 51,686,077.84
  5. Step 5: Solve for x
    x = 51,686,077.84/10,014.84
  6. Step 6: Final answer
    x = 5,160.95

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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.