Home / 19,678.35-27,155.33-10,725.66

Finding the Fourth Proportional to 19,678.35, 27,155.33 and 10,725.66

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Solution

The fourth proportional to 19,678.35, 27,155.33 and 10,725.66 is: 14,800.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,678.35 : 27,155.33 = 10,725.66 : x
  2. Step 2: Convert to fraction form
    19,678.35/27,155.33 = 10,725.66/x
  3. Step 3: Cross multiply
    19,678.35x = 27,155.33 × 10,725.66
  4. Step 4: Simplify right side
    19,678.35x = 291,258,783.14
  5. Step 5: Solve for x
    x = 291,258,783.14/19,678.35
  6. Step 6: Final answer
    x = 14,800.98

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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.