Home / 14,249.43-19,663.61-7,875.70

Finding the Fourth Proportional to 14,249.43, 19,663.61 and 7,875.70

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Solution

The fourth proportional to 14,249.43, 19,663.61 and 7,875.70 is: 10,868.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.43 : 19,663.61 = 7,875.70 : x
  2. Step 2: Convert to fraction form
    14,249.43/19,663.61 = 7,875.70/x
  3. Step 3: Cross multiply
    14,249.43x = 19,663.61 × 7,875.70
  4. Step 4: Simplify right side
    14,249.43x = 154,864,555.58
  5. Step 5: Solve for x
    x = 154,864,555.58/14,249.43
  6. Step 6: Final answer
    x = 10,868.12

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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.