Home / 11,580.30-17,353.80-7,195.20

Finding the Fourth Proportional to 11,580.30, 17,353.80 and 7,195.20

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Solution

The fourth proportional to 11,580.30, 17,353.80 and 7,195.20 is: 10,782.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580.30 : 17,353.80 = 7,195.20 : x
  2. Step 2: Convert to fraction form
    11,580.30/17,353.80 = 7,195.20/x
  3. Step 3: Cross multiply
    11,580.30x = 17,353.80 × 7,195.20
  4. Step 4: Simplify right side
    11,580.30x = 124,864,061.76
  5. Step 5: Solve for x
    x = 124,864,061.76/11,580.30
  6. Step 6: Final answer
    x = 10,782.45

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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.