Home / 19,689.54-27,171.14-10,737.12

Finding the Fourth Proportional to 19,689.54, 27,171.14 and 10,737.12

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Solution

The fourth proportional to 19,689.54, 27,171.14 and 10,737.12 is: 14,816.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689.54 : 27,171.14 = 10,737.12 : x
  2. Step 2: Convert to fraction form
    19,689.54/27,171.14 = 10,737.12/x
  3. Step 3: Cross multiply
    19,689.54x = 27,171.14 × 10,737.12
  4. Step 4: Simplify right side
    19,689.54x = 291,739,790.72
  5. Step 5: Solve for x
    x = 291,739,790.72/19,689.54
  6. Step 6: Final answer
    x = 14,816.99

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1.5x scale

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.