Home / 13,955-19,257.93-7,581.61

Finding the Fourth Proportional to 13,955, 19,257.93 and 7,581.61

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Solution

The fourth proportional to 13,955, 19,257.93 and 7,581.61 is: 10,462.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955 : 19,257.93 = 7,581.61 : x
  2. Step 2: Convert to fraction form
    13,955/19,257.93 = 7,581.61/x
  3. Step 3: Cross multiply
    13,955x = 19,257.93 × 7,581.61
  4. Step 4: Simplify right side
    13,955x = 146,006,114.67
  5. Step 5: Solve for x
    x = 146,006,114.67/13,955
  6. Step 6: Final answer
    x = 10,462.64

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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.