Home / 11,688.28-17,533.34-3,897.10

Finding the Fourth Proportional to 11,688.28, 17,533.34 and 3,897.10

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Solution

The fourth proportional to 11,688.28, 17,533.34 and 3,897.10 is: 5,845.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.28 : 17,533.34 = 3,897.10 : x
  2. Step 2: Convert to fraction form
    11,688.28/17,533.34 = 3,897.10/x
  3. Step 3: Cross multiply
    11,688.28x = 17,533.34 × 3,897.10
  4. Step 4: Simplify right side
    11,688.28x = 68,329,072.16
  5. Step 5: Solve for x
    x = 68,329,072.16/11,688.28
  6. Step 6: Final answer
    x = 5,845.95

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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.