Home / 13,444.08-18,551.64-7,854

Finding the Fourth Proportional to 13,444.08, 18,551.64 and 7,854

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Solution

The fourth proportional to 13,444.08, 18,551.64 and 7,854 is: 10,837.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.08 : 18,551.64 = 7,854 : x
  2. Step 2: Convert to fraction form
    13,444.08/18,551.64 = 7,854/x
  3. Step 3: Cross multiply
    13,444.08x = 18,551.64 × 7,854
  4. Step 4: Simplify right side
    13,444.08x = 145,704,580.56
  5. Step 5: Solve for x
    x = 145,704,580.56/13,444.08
  6. Step 6: Final answer
    x = 10,837.82

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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.