Home / 11,008.48-15,187.98-6,289.42

Finding the Fourth Proportional to 11,008.48, 15,187.98 and 6,289.42

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Solution

The fourth proportional to 11,008.48, 15,187.98 and 6,289.42 is: 8,677.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008.48 : 15,187.98 = 6,289.42 : x
  2. Step 2: Convert to fraction form
    11,008.48/15,187.98 = 6,289.42/x
  3. Step 3: Cross multiply
    11,008.48x = 15,187.98 × 6,289.42
  4. Step 4: Simplify right side
    11,008.48x = 95,523,585.17
  5. Step 5: Solve for x
    x = 95,523,585.17/11,008.48
  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.