Home / 19,658.89-27,129.27-10,706.39

Finding the Fourth Proportional to 19,658.89, 27,129.27 and 10,706.39

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Solution

The fourth proportional to 19,658.89, 27,129.27 and 10,706.39 is: 14,774.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,658.89 : 27,129.27 = 10,706.39 : x
  2. Step 2: Convert to fraction form
    19,658.89/27,129.27 = 10,706.39/x
  3. Step 3: Cross multiply
    19,658.89x = 27,129.27 × 10,706.39
  4. Step 4: Simplify right side
    19,658.89x = 290,456,545.04
  5. Step 5: Solve for x
    x = 290,456,545.04/19,658.89
  6. Step 6: Final answer
    x = 14,774.82

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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.