Home / 19,157.49-28,724.37-8,058.45

Finding the Fourth Proportional to 19,157.49, 28,724.37 and 8,058.45

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Solution

The fourth proportional to 19,157.49, 28,724.37 and 8,058.45 is: 12,082.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157.49 : 28,724.37 = 8,058.45 : x
  2. Step 2: Convert to fraction form
    19,157.49/28,724.37 = 8,058.45/x
  3. Step 3: Cross multiply
    19,157.49x = 28,724.37 × 8,058.45
  4. Step 4: Simplify right side
    19,157.49x = 231,473,899.43
  5. Step 5: Solve for x
    x = 231,473,899.43/19,157.49
  6. Step 6: Final answer
    x = 12,082.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.