Home / 14,249.48-19,663.88-7,876.54

Finding the Fourth Proportional to 14,249.48, 19,663.88 and 7,876.54

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Solution

The fourth proportional to 14,249.48, 19,663.88 and 7,876.54 is: 10,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.48 : 19,663.88 = 7,876.54 : x
  2. Step 2: Convert to fraction form
    14,249.48/19,663.88 = 7,876.54/x
  3. Step 3: Cross multiply
    14,249.48x = 19,663.88 × 7,876.54
  4. Step 4: Simplify right side
    14,249.48x = 154,883,337.38
  5. Step 5: Solve for x
    x = 154,883,337.38/14,249.48
  6. Step 6: Final answer
    x = 10,869.40

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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.