Home / 14,178.92-19,565.73-8,210.97

Finding the Fourth Proportional to 14,178.92, 19,565.73 and 8,210.97

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Solution

The fourth proportional to 14,178.92, 19,565.73 and 8,210.97 is: 11,330.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.92 : 19,565.73 = 8,210.97 : x
  2. Step 2: Convert to fraction form
    14,178.92/19,565.73 = 8,210.97/x
  3. Step 3: Cross multiply
    14,178.92x = 19,565.73 × 8,210.97
  4. Step 4: Simplify right side
    14,178.92x = 160,653,622.06
  5. Step 5: Solve for x
    x = 160,653,622.06/14,178.92
  6. Step 6: Final answer
    x = 11,330.46

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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.