Home / 14,487.95-21,741.68-5,127.94

Finding the Fourth Proportional to 14,487.95, 21,741.68 and 5,127.94

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Solution

The fourth proportional to 14,487.95, 21,741.68 and 5,127.94 is: 7,695.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.95 : 21,741.68 = 5,127.94 : x
  2. Step 2: Convert to fraction form
    14,487.95/21,741.68 = 5,127.94/x
  3. Step 3: Cross multiply
    14,487.95x = 21,741.68 × 5,127.94
  4. Step 4: Simplify right side
    14,487.95x = 111,490,030.54
  5. Step 5: Solve for x
    x = 111,490,030.54/14,487.95
  6. Step 6: Final answer
    x = 7,695.36

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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.