Home / 19,689.67-27,171.34-10,737.27

Finding the Fourth Proportional to 19,689.67, 27,171.34 and 10,737.27

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Solution

The fourth proportional to 19,689.67, 27,171.34 and 10,737.27 is: 14,817.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689.67 : 27,171.34 = 10,737.27 : x
  2. Step 2: Convert to fraction form
    19,689.67/27,171.34 = 10,737.27/x
  3. Step 3: Cross multiply
    19,689.67x = 27,171.34 × 10,737.27
  4. Step 4: Simplify right side
    19,689.67x = 291,746,013.84
  5. Step 5: Solve for x
    x = 291,746,013.84/19,689.67
  6. Step 6: Final answer
    x = 14,817.21

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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.