Home / 14,331.15-19,776.42-7,958.07

Finding the Fourth Proportional to 14,331.15, 19,776.42 and 7,958.07

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Solution

The fourth proportional to 14,331.15, 19,776.42 and 7,958.07 is: 10,981.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331.15 : 19,776.42 = 7,958.07 : x
  2. Step 2: Convert to fraction form
    14,331.15/19,776.42 = 7,958.07/x
  3. Step 3: Cross multiply
    14,331.15x = 19,776.42 × 7,958.07
  4. Step 4: Simplify right side
    14,331.15x = 157,382,134.71
  5. Step 5: Solve for x
    x = 157,382,134.71/14,331.15
  6. Step 6: Final answer
    x = 10,981.82

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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.