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Finding the Fourth Proportional to 11,359.04, 17,030.04 and 7,650.86

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Solution

The fourth proportional to 11,359.04, 17,030.04 and 7,650.86 is: 11,470.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,359.04 : 17,030.04 = 7,650.86 : x
  2. Step 2: Convert to fraction form
    11,359.04/17,030.04 = 7,650.86/x
  3. Step 3: Cross multiply
    11,359.04x = 17,030.04 × 7,650.86
  4. Step 4: Simplify right side
    11,359.04x = 130,294,451.83
  5. Step 5: Solve for x
    x = 130,294,451.83/11,359.04
  6. Step 6: Final answer
    x = 11,470.55

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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.