Home / 11,392.96-17,079.36-6,130.80

Finding the Fourth Proportional to 11,392.96, 17,079.36 and 6,130.80

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Solution

The fourth proportional to 11,392.96, 17,079.36 and 6,130.80 is: 9,190.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,392.96 : 17,079.36 = 6,130.80 : x
  2. Step 2: Convert to fraction form
    11,392.96/17,079.36 = 6,130.80/x
  3. Step 3: Cross multiply
    11,392.96x = 17,079.36 × 6,130.80
  4. Step 4: Simplify right side
    11,392.96x = 104,710,140.29
  5. Step 5: Solve for x
    x = 104,710,140.29/11,392.96
  6. Step 6: Final answer
    x = 9,190.78

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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.