Home / 11,008.47-15,187.98-6,289.41

Finding the Fourth Proportional to 11,008.47, 15,187.98 and 6,289.41

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Solution

The fourth proportional to 11,008.47, 15,187.98 and 6,289.41 is: 8,677.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008.47 : 15,187.98 = 6,289.41 : x
  2. Step 2: Convert to fraction form
    11,008.47/15,187.98 = 6,289.41/x
  3. Step 3: Cross multiply
    11,008.47x = 15,187.98 × 6,289.41
  4. Step 4: Simplify right side
    11,008.47x = 95,523,433.29
  5. Step 5: Solve for x
    x = 95,523,433.29/11,008.47
  6. Step 6: Final answer
    x = 8,677.27

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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.