Home / 14,331.36-19,776.99-7,957.62

Finding the Fourth Proportional to 14,331.36, 19,776.99 and 7,957.62

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Solution

The fourth proportional to 14,331.36, 19,776.99 and 7,957.62 is: 10,981.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331.36 : 19,776.99 = 7,957.62 : x
  2. Step 2: Convert to fraction form
    14,331.36/19,776.99 = 7,957.62/x
  3. Step 3: Cross multiply
    14,331.36x = 19,776.99 × 7,957.62
  4. Step 4: Simplify right side
    14,331.36x = 157,377,672.28
  5. Step 5: Solve for x
    x = 157,377,672.28/14,331.36
  6. Step 6: Final answer
    x = 10,981.35

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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.