Home / 19,078.84-28,614.10-9,708.92

Finding the Fourth Proportional to 19,078.84, 28,614.10 and 9,708.92

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Solution

The fourth proportional to 19,078.84, 28,614.10 and 9,708.92 is: 14,561.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,078.84 : 28,614.10 = 9,708.92 : x
  2. Step 2: Convert to fraction form
    19,078.84/28,614.10 = 9,708.92/x
  3. Step 3: Cross multiply
    19,078.84x = 28,614.10 × 9,708.92
  4. Step 4: Simplify right side
    19,078.84x = 277,812,007.77
  5. Step 5: Solve for x
    x = 277,812,007.77/19,078.84
  6. Step 6: Final answer
    x = 14,561.26

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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.