Home / 11,477.28-17,217.72-4,903.50

Finding the Fourth Proportional to 11,477.28, 17,217.72 and 4,903.50

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Solution

The fourth proportional to 11,477.28, 17,217.72 and 4,903.50 is: 7,356.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,477.28 : 17,217.72 = 4,903.50 : x
  2. Step 2: Convert to fraction form
    11,477.28/17,217.72 = 4,903.50/x
  3. Step 3: Cross multiply
    11,477.28x = 17,217.72 × 4,903.50
  4. Step 4: Simplify right side
    11,477.28x = 84,427,090.02
  5. Step 5: Solve for x
    x = 84,427,090.02/11,477.28
  6. Step 6: Final answer
    x = 7,356.02

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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.