Home / 19,141.07-28,717.43-9,787.65

Finding the Fourth Proportional to 19,141.07, 28,717.43 and 9,787.65

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Solution

The fourth proportional to 19,141.07, 28,717.43 and 9,787.65 is: 14,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141.07 : 28,717.43 = 9,787.65 : x
  2. Step 2: Convert to fraction form
    19,141.07/28,717.43 = 9,787.65/x
  3. Step 3: Cross multiply
    19,141.07x = 28,717.43 × 9,787.65
  4. Step 4: Simplify right side
    19,141.07x = 281,076,153.74
  5. Step 5: Solve for x
    x = 281,076,153.74/19,141.07
  6. Step 6: Final answer
    x = 14,684.45

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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.