Home / 19,285.77-28,920.75-6,134.61

Finding the Fourth Proportional to 19,285.77, 28,920.75 and 6,134.61

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Solution

The fourth proportional to 19,285.77, 28,920.75 and 6,134.61 is: 9,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285.77 : 28,920.75 = 6,134.61 : x
  2. Step 2: Convert to fraction form
    19,285.77/28,920.75 = 6,134.61/x
  3. Step 3: Cross multiply
    19,285.77x = 28,920.75 × 6,134.61
  4. Step 4: Simplify right side
    19,285.77x = 177,417,522.16
  5. Step 5: Solve for x
    x = 177,417,522.16/19,285.77
  6. Step 6: Final answer
    x = 9,199.40

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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.