Home / 10,575.30-15,863.76-2,784

Finding the Fourth Proportional to 10,575.30, 15,863.76 and 2,784

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Solution

The fourth proportional to 10,575.30, 15,863.76 and 2,784 is: 4,176.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,575.30 : 15,863.76 = 2,784 : x
  2. Step 2: Convert to fraction form
    10,575.30/15,863.76 = 2,784/x
  3. Step 3: Cross multiply
    10,575.30x = 15,863.76 × 2,784
  4. Step 4: Simplify right side
    10,575.30x = 44,164,707.84
  5. Step 5: Solve for x
    x = 44,164,707.84/10,575.30
  6. Step 6: Final answer
    x = 4,176.21

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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.