Home / 14,292.07-19,723.02-7,918.69

Finding the Fourth Proportional to 14,292.07, 19,723.02 and 7,918.69

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Solution

The fourth proportional to 14,292.07, 19,723.02 and 7,918.69 is: 10,927.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292.07 : 19,723.02 = 7,918.69 : x
  2. Step 2: Convert to fraction form
    14,292.07/19,723.02 = 7,918.69/x
  3. Step 3: Cross multiply
    14,292.07x = 19,723.02 × 7,918.69
  4. Step 4: Simplify right side
    14,292.07x = 156,180,406.02
  5. Step 5: Solve for x
    x = 156,180,406.02/14,292.07
  6. Step 6: Final answer
    x = 10,927.77

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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.