Home / 19,156.16-28,724.50-8,759

Finding the Fourth Proportional to 19,156.16, 28,724.50 and 8,759

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Solution

The fourth proportional to 19,156.16, 28,724.50 and 8,759 is: 13,134.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156.16 : 28,724.50 = 8,759 : x
  2. Step 2: Convert to fraction form
    19,156.16/28,724.50 = 8,759/x
  3. Step 3: Cross multiply
    19,156.16x = 28,724.50 × 8,759
  4. Step 4: Simplify right side
    19,156.16x = 251,597,895.50
  5. Step 5: Solve for x
    x = 251,597,895.50/19,156.16
  6. Step 6: Final answer
    x = 13,134.05

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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.