Home / 14,267.18-19,688.97-7,979.54

Finding the Fourth Proportional to 14,267.18, 19,688.97 and 7,979.54

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Solution

The fourth proportional to 14,267.18, 19,688.97 and 7,979.54 is: 11,011.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,267.18 : 19,688.97 = 7,979.54 : x
  2. Step 2: Convert to fraction form
    14,267.18/19,688.97 = 7,979.54/x
  3. Step 3: Cross multiply
    14,267.18x = 19,688.97 × 7,979.54
  4. Step 4: Simplify right side
    14,267.18x = 157,108,923.67
  5. Step 5: Solve for x
    x = 157,108,923.67/14,267.18
  6. Step 6: Final answer
    x = 11,011.91

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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.