Home / 17,938.68-26,909.52-4,791

Finding the Fourth Proportional to 17,938.68, 26,909.52 and 4,791

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Solution

The fourth proportional to 17,938.68, 26,909.52 and 4,791 is: 7,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.68 : 26,909.52 = 4,791 : x
  2. Step 2: Convert to fraction form
    17,938.68/26,909.52 = 4,791/x
  3. Step 3: Cross multiply
    17,938.68x = 26,909.52 × 4,791
  4. Step 4: Simplify right side
    17,938.68x = 128,923,510.32
  5. Step 5: Solve for x
    x = 128,923,510.32/17,938.68
  6. Step 6: Final answer
    x = 7,186.90

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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.