Home / 11,008.36-15,197.43-8,484.94

Finding the Fourth Proportional to 11,008.36, 15,197.43 and 8,484.94

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Solution

The fourth proportional to 11,008.36, 15,197.43 and 8,484.94 is: 11,713.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008.36 : 15,197.43 = 8,484.94 : x
  2. Step 2: Convert to fraction form
    11,008.36/15,197.43 = 8,484.94/x
  3. Step 3: Cross multiply
    11,008.36x = 15,197.43 × 8,484.94
  4. Step 4: Simplify right side
    11,008.36x = 128,949,281.70
  5. Step 5: Solve for x
    x = 128,949,281.70/11,008.36
  6. Step 6: Final answer
    x = 11,713.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.