Home / 11,026-15,215.76-5,990.23

Finding the Fourth Proportional to 11,026, 15,215.76 and 5,990.23

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Solution

The fourth proportional to 11,026, 15,215.76 and 5,990.23 is: 8,266.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,026 : 15,215.76 = 5,990.23 : x
  2. Step 2: Convert to fraction form
    11,026/15,215.76 = 5,990.23/x
  3. Step 3: Cross multiply
    11,026x = 15,215.76 × 5,990.23
  4. Step 4: Simplify right side
    11,026x = 91,145,902.02
  5. Step 5: Solve for x
    x = 91,145,902.02/11,026
  6. Step 6: Final answer
    x = 8,266.45

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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.