Home / 19,658.97-27,128.93-10,706.45

Finding the Fourth Proportional to 19,658.97, 27,128.93 and 10,706.45

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Solution

The fourth proportional to 19,658.97, 27,128.93 and 10,706.45 is: 14,774.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,658.97 : 27,128.93 = 10,706.45 : x
  2. Step 2: Convert to fraction form
    19,658.97/27,128.93 = 10,706.45/x
  3. Step 3: Cross multiply
    19,658.97x = 27,128.93 × 10,706.45
  4. Step 4: Simplify right side
    19,658.97x = 290,454,343.42
  5. Step 5: Solve for x
    x = 290,454,343.42/19,658.97
  6. Step 6: Final answer
    x = 14,774.65

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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.