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Finding the Fourth Proportional to 11,510.51, 17,262.05 and 4,934.93

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Solution

The fourth proportional to 11,510.51, 17,262.05 and 4,934.93 is: 7,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,510.51 : 17,262.05 = 4,934.93 : x
  2. Step 2: Convert to fraction form
    11,510.51/17,262.05 = 4,934.93/x
  3. Step 3: Cross multiply
    11,510.51x = 17,262.05 × 4,934.93
  4. Step 4: Simplify right side
    11,510.51x = 85,186,897.42
  5. Step 5: Solve for x
    x = 85,186,897.42/11,510.51
  6. Step 6: Final answer
    x = 7,400.80

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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.