Home / 11,526.23-15,902.25-6,990.30

Finding the Fourth Proportional to 11,526.23, 15,902.25 and 6,990.30

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Solution

The fourth proportional to 11,526.23, 15,902.25 and 6,990.30 is: 9,644.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,526.23 : 15,902.25 = 6,990.30 : x
  2. Step 2: Convert to fraction form
    11,526.23/15,902.25 = 6,990.30/x
  3. Step 3: Cross multiply
    11,526.23x = 15,902.25 × 6,990.30
  4. Step 4: Simplify right side
    11,526.23x = 111,161,418.66
  5. Step 5: Solve for x
    x = 111,161,418.66/11,526.23
  6. Step 6: Final answer
    x = 9,644.22

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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.