Home / 19,176.85-26,460.97-10,678.87

Finding the Fourth Proportional to 19,176.85, 26,460.97 and 10,678.87

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Solution

The fourth proportional to 19,176.85, 26,460.97 and 10,678.87 is: 14,735.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,176.85 : 26,460.97 = 10,678.87 : x
  2. Step 2: Convert to fraction form
    19,176.85/26,460.97 = 10,678.87/x
  3. Step 3: Cross multiply
    19,176.85x = 26,460.97 × 10,678.87
  4. Step 4: Simplify right side
    19,176.85x = 282,573,258.70
  5. Step 5: Solve for x
    x = 282,573,258.70/19,176.85
  6. Step 6: Final answer
    x = 14,735.12

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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.